21000679020

素因数分解:

$2^2\times 3^2\times 5^1\times {\mathrm{17}}^1\times {\mathrm{79}}^1\times {\mathrm{109}}^1\times {\mathrm{797}}^1$

素因数の和:1017

約数の個数: 288

約数和(自身を含む): 69016147200

約数和(自身を除く): 48015468180

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 17, 18, 20, 30, 34, 36, 45, 51, 60, 68, 79, 85, 90, 102, 109, 153, 158, 170, 180, 204, 218, 237, 255, 306, 316, 327, 340, 395, 436, 474, 510, 545, 612, 654, 711, 765, 790, 797, 948, 981, 1020, 1090, 1185, 1308, 1343, 1422, 1530, 1580, 1594, 1635, 1853, 1962, 2180, 2370, 2391, 2686, 2844, 3060, 3188, 3270, 3555, 3706, 3924, 3985, 4029, 4740, 4782, 4905, 5372, 5559, 6540, 6715, 7110, 7173, 7412, 7970, 8058, 8611, 9265, 9564, 9810, 11118, 11955, 12087, 13430, 13549, 14220, 14346, 15940, 16116, 16677, 17222, 18530, 19620, 20145, 22236, 23910, 24174, 25833, 26860, 27098, 27795, 28692, 33354, 34444, 35865, 37060, 40290, 40647, 43055, 47820, 48348, 51666, 54196, 55590, 60435, 62963, 66708, 67745, 71730, 77499, 80580, 81294, 83385, 86110, 86873, 103332, 111180, 120870, 121941, 125926, 129165, 135490, 143460, 146387, 154998, 162588, 166770, 172220, 173746, 188889, 203235, 241740, 243882, 251852, 258330, 260619, 270980, 292774, 309996, 314815, 333540, 347492, 377778, 387495, 406470, 434365, 439161, 487764, 516660, 521238, 566667, 585548, 609705, 629630, 731935, 755556, 774990, 781857, 812940, 868730, 878322, 944445, 1042476, 1070371, 1133334, 1219410, 1259260, 1303095, 1317483, 1463870, 1476841, 1549980, 1563714, 1737460, 1756644, 1888890, 2140742, 2195805, 2266668, 2438820, 2606190, 2634966, 2833335, 2927740, 2953682, 3127428, 3211113, 3777780, 3909285, 4281484, 4391610, 4430523, 5212380, 5269932, 5351855, 5666670, 5907364, 6422226, 6587415, 6862967, 7384205, 7818570, 8783220, 8861046, 9633339, 10703710, 11333340, 12844452, 13174830, 13291569, 13725934, 14768410, 15637140, 16055565, 17722092, 19266678, 20588901, 21407420, 22152615, 26349660, 26583138, 27451868, 29536820, 32111130, 34314835, 38533356, 41177802, 44305230, 48166695, 53166276, 61766703, 64222260, 66457845, 68629670, 82355604, 88610460, 96333390, 102944505, 116670439, 123533406, 132915690, 137259340, 192666780, 205889010, 233340878, 247066812, 265831380, 308833515, 350011317, 411778020, 466681756, 583352195, 617667030, 700022634, 1050033951, 1166704390, 1235334060, 1400045268, 1750056585, 2100067902, 2333408780, 3500113170, 4200135804, 5250169755, 7000226340, 10500339510, 21000679020]

約数ペア:

[(1, 21000679020), (2, 10500339510), (3, 7000226340), (4, 5250169755), (5, 4200135804), (6, 3500113170), (9, 2333408780), (10, 2100067902), (12, 1750056585), (15, 1400045268), (17, 1235334060), (18, 1166704390), (20, 1050033951), (30, 700022634), (34, 617667030), (36, 583352195), (45, 466681756), (51, 411778020), (60, 350011317), (68, 308833515), (79, 265831380), (85, 247066812), (90, 233340878), (102, 205889010), (109, 192666780), (153, 137259340), (158, 132915690), (170, 123533406), (180, 116670439), (204, 102944505), (218, 96333390), (237, 88610460), (255, 82355604), (306, 68629670), (316, 66457845), (327, 64222260), (340, 61766703), (395, 53166276), (436, 48166695), (474, 44305230), (510, 41177802), (545, 38533356), (612, 34314835), (654, 32111130), (711, 29536820), (765, 27451868), (790, 26583138), (797, 26349660), (948, 22152615), (981, 21407420), (1020, 20588901), (1090, 19266678), (1185, 17722092), (1308, 16055565), (1343, 15637140), (1422, 14768410), (1530, 13725934), (1580, 13291569), (1594, 13174830), (1635, 12844452), (1853, 11333340), (1962, 10703710), (2180, 9633339), (2370, 8861046), (2391, 8783220), (2686, 7818570), (2844, 7384205), (3060, 6862967), (3188, 6587415), (3270, 6422226), (3555, 5907364), (3706, 5666670), (3924, 5351855), (3985, 5269932), (4029, 5212380), (4740, 4430523), (4782, 4391610), (4905, 4281484), (5372, 3909285), (5559, 3777780), (6540, 3211113), (6715, 3127428), (7110, 2953682), (7173, 2927740), (7412, 2833335), (7970, 2634966), (8058, 2606190), (8611, 2438820), (9265, 2266668), (9564, 2195805), (9810, 2140742), (11118, 1888890), (11955, 1756644), (12087, 1737460), (13430, 1563714), (13549, 1549980), (14220, 1476841), (14346, 1463870), (15940, 1317483), (16116, 1303095), (16677, 1259260), (17222, 1219410), (18530, 1133334), (19620, 1070371), (20145, 1042476), (22236, 944445), (23910, 878322), (24174, 868730), (25833, 812940), (26860, 781857), (27098, 774990), (27795, 755556), (28692, 731935), (33354, 629630), (34444, 609705), (35865, 585548), (37060, 566667), (40290, 521238), (40647, 516660), (43055, 487764), (47820, 439161), (48348, 434365), (51666, 406470), (54196, 387495), (55590, 377778), (60435, 347492), (62963, 333540), (66708, 314815), (67745, 309996), (71730, 292774), (77499, 270980), (80580, 260619), (81294, 258330), (83385, 251852), (86110, 243882), (86873, 241740), (103332, 203235), (111180, 188889), (120870, 173746), (121941, 172220), (125926, 166770), (129165, 162588), (135490, 154998), (143460, 146387)]