21048235780

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{167}}^1\times {\mathrm{347}}^1$

素因数の和:674

約数の個数: 192

約数和(自身を含む): 52802813952

約数和(自身を除く): 31754578172

約数列:

[1, 2, 4, 5, 10, 11, 13, 20, 22, 26, 44, 52, 55, 65, 110, 127, 130, 143, 167, 220, 254, 260, 286, 334, 347, 508, 572, 635, 668, 694, 715, 835, 1270, 1388, 1397, 1430, 1651, 1670, 1735, 1837, 2171, 2540, 2794, 2860, 3302, 3340, 3470, 3674, 3817, 4342, 4511, 5588, 6604, 6940, 6985, 7348, 7634, 8255, 8684, 9022, 9185, 10855, 13970, 15268, 16510, 18044, 18161, 18370, 19085, 21209, 21710, 22555, 23881, 27940, 33020, 36322, 36740, 38170, 42418, 43420, 44069, 45110, 47762, 49621, 57949, 72644, 76340, 84836, 88138, 90220, 90805, 95524, 99242, 106045, 115898, 119405, 176276, 181610, 198484, 212090, 220345, 231796, 233299, 238810, 248105, 275717, 289745, 363220, 424180, 440690, 466598, 477620, 484759, 496210, 551434, 572897, 579490, 637439, 753337, 881380, 933196, 969518, 992420, 1102868, 1145794, 1158980, 1166495, 1274878, 1378585, 1506674, 1939036, 2291588, 2332990, 2423795, 2549756, 2757170, 2864485, 3013348, 3032887, 3187195, 3766685, 4665980, 4847590, 5514340, 5728970, 6065774, 6301867, 6374390, 7359523, 7533370, 8286707, 9695180, 11457940, 12131548, 12603734, 12748780, 14719046, 15066740, 15164435, 16573414, 25207468, 29438092, 30328870, 31509335, 33146828, 36797615, 41433535, 60657740, 63018670, 73595230, 80954753, 82867070, 95673799, 126037340, 147190460, 161909506, 165734140, 191347598, 323819012, 382695196, 404773765, 478368995, 809547530, 956737990, 1052411789, 1619095060, 1913475980, 2104823578, 4209647156, 5262058945, 10524117890, 21048235780]

約数ペア:

[(1, 21048235780), (2, 10524117890), (4, 5262058945), (5, 4209647156), (10, 2104823578), (11, 1913475980), (13, 1619095060), (20, 1052411789), (22, 956737990), (26, 809547530), (44, 478368995), (52, 404773765), (55, 382695196), (65, 323819012), (110, 191347598), (127, 165734140), (130, 161909506), (143, 147190460), (167, 126037340), (220, 95673799), (254, 82867070), (260, 80954753), (286, 73595230), (334, 63018670), (347, 60657740), (508, 41433535), (572, 36797615), (635, 33146828), (668, 31509335), (694, 30328870), (715, 29438092), (835, 25207468), (1270, 16573414), (1388, 15164435), (1397, 15066740), (1430, 14719046), (1651, 12748780), (1670, 12603734), (1735, 12131548), (1837, 11457940), (2171, 9695180), (2540, 8286707), (2794, 7533370), (2860, 7359523), (3302, 6374390), (3340, 6301867), (3470, 6065774), (3674, 5728970), (3817, 5514340), (4342, 4847590), (4511, 4665980), (5588, 3766685), (6604, 3187195), (6940, 3032887), (6985, 3013348), (7348, 2864485), (7634, 2757170), (8255, 2549756), (8684, 2423795), (9022, 2332990), (9185, 2291588), (10855, 1939036), (13970, 1506674), (15268, 1378585), (16510, 1274878), (18044, 1166495), (18161, 1158980), (18370, 1145794), (19085, 1102868), (21209, 992420), (21710, 969518), (22555, 933196), (23881, 881380), (27940, 753337), (33020, 637439), (36322, 579490), (36740, 572897), (38170, 551434), (42418, 496210), (43420, 484759), (44069, 477620), (45110, 466598), (47762, 440690), (49621, 424180), (57949, 363220), (72644, 289745), (76340, 275717), (84836, 248105), (88138, 238810), (90220, 233299), (90805, 231796), (95524, 220345), (99242, 212090), (106045, 198484), (115898, 181610), (119405, 176276)]