21096700920

素因数分解:

$2^3\times 3^2\times 5^1\times {\mathrm{19}}^1\times {\mathrm{223}}^1\times {\mathrm{13831}}^1$

素因数の和:14090

約数の個数: 192

約数和(自身を含む): 72501811200

約数和(自身を除く): 51405110280

約数列:

[1, 2, 3, 4, 5, 6, 8, 9, 10, 12, 15, 18, 19, 20, 24, 30, 36, 38, 40, 45, 57, 60, 72, 76, 90, 95, 114, 120, 152, 171, 180, 190, 223, 228, 285, 342, 360, 380, 446, 456, 570, 669, 684, 760, 855, 892, 1115, 1140, 1338, 1368, 1710, 1784, 2007, 2230, 2280, 2676, 3345, 3420, 4014, 4237, 4460, 5352, 6690, 6840, 8028, 8474, 8920, 10035, 12711, 13380, 13831, 16056, 16948, 20070, 21185, 25422, 26760, 27662, 33896, 38133, 40140, 41493, 42370, 50844, 55324, 63555, 69155, 76266, 80280, 82986, 84740, 101688, 110648, 124479, 127110, 138310, 152532, 165972, 169480, 190665, 207465, 248958, 254220, 262789, 276620, 305064, 331944, 381330, 414930, 497916, 508440, 525578, 553240, 622395, 762660, 788367, 829860, 995832, 1051156, 1244790, 1313945, 1525320, 1576734, 1659720, 2102312, 2365101, 2489580, 2627890, 3084313, 3153468, 3941835, 4730202, 4979160, 5255780, 6168626, 6306936, 7883670, 9252939, 9460404, 10511560, 11825505, 12337252, 15421565, 15767340, 18505878, 18920808, 23651010, 24674504, 27758817, 30843130, 31534680, 37011756, 46264695, 47302020, 55517634, 58601947, 61686260, 74023512, 92529390, 94604040, 111035268, 117203894, 123372520, 138794085, 175805841, 185058780, 222070536, 234407788, 277588170, 293009735, 351611682, 370117560, 468815576, 527417523, 555176340, 586019470, 703223364, 879029205, 1054835046, 1110352680, 1172038940, 1406446728, 1758058410, 2109670092, 2344077880, 2637087615, 3516116820, 4219340184, 5274175230, 7032233640, 10548350460, 21096700920]

約数ペア:

[(1, 21096700920), (2, 10548350460), (3, 7032233640), (4, 5274175230), (5, 4219340184), (6, 3516116820), (8, 2637087615), (9, 2344077880), (10, 2109670092), (12, 1758058410), (15, 1406446728), (18, 1172038940), (19, 1110352680), (20, 1054835046), (24, 879029205), (30, 703223364), (36, 586019470), (38, 555176340), (40, 527417523), (45, 468815576), (57, 370117560), (60, 351611682), (72, 293009735), (76, 277588170), (90, 234407788), (95, 222070536), (114, 185058780), (120, 175805841), (152, 138794085), (171, 123372520), (180, 117203894), (190, 111035268), (223, 94604040), (228, 92529390), (285, 74023512), (342, 61686260), (360, 58601947), (380, 55517634), (446, 47302020), (456, 46264695), (570, 37011756), (669, 31534680), (684, 30843130), (760, 27758817), (855, 24674504), (892, 23651010), (1115, 18920808), (1140, 18505878), (1338, 15767340), (1368, 15421565), (1710, 12337252), (1784, 11825505), (2007, 10511560), (2230, 9460404), (2280, 9252939), (2676, 7883670), (3345, 6306936), (3420, 6168626), (4014, 5255780), (4237, 4979160), (4460, 4730202), (5352, 3941835), (6690, 3153468), (6840, 3084313), (8028, 2627890), (8474, 2489580), (8920, 2365101), (10035, 2102312), (12711, 1659720), (13380, 1576734), (13831, 1525320), (16056, 1313945), (16948, 1244790), (20070, 1051156), (21185, 995832), (25422, 829860), (26760, 788367), (27662, 762660), (33896, 622395), (38133, 553240), (40140, 525578), (41493, 508440), (42370, 497916), (50844, 414930), (55324, 381330), (63555, 331944), (69155, 305064), (76266, 276620), (80280, 262789), (82986, 254220), (84740, 248958), (101688, 207465), (110648, 190665), (124479, 169480), (127110, 165972), (138310, 152532)]