21303717240

素因数分解:

$2^3\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{647}}^1\times {\mathrm{21107}}^1$

素因数の和:21781

約数の個数: 128

約数和(自身を含む): 68937039360

約数和(自身を除く): 47633322120

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 12, 13, 15, 20, 24, 26, 30, 39, 40, 52, 60, 65, 78, 104, 120, 130, 156, 195, 260, 312, 390, 520, 647, 780, 1294, 1560, 1941, 2588, 3235, 3882, 5176, 6470, 7764, 8411, 9705, 12940, 15528, 16822, 19410, 21107, 25233, 25880, 33644, 38820, 42055, 42214, 50466, 63321, 67288, 77640, 84110, 84428, 100932, 105535, 126165, 126642, 168220, 168856, 201864, 211070, 252330, 253284, 274391, 316605, 336440, 422140, 504660, 506568, 548782, 633210, 823173, 844280, 1009320, 1097564, 1266420, 1371955, 1646346, 2195128, 2532840, 2743910, 3292692, 4115865, 5487820, 6585384, 8231730, 10975640, 13656229, 16463460, 27312458, 32926920, 40968687, 54624916, 68281145, 81937374, 109249832, 136562290, 163874748, 177530977, 204843435, 273124580, 327749496, 355061954, 409686870, 532592931, 546249160, 710123908, 819373740, 887654885, 1065185862, 1420247816, 1638747480, 1775309770, 2130371724, 2662964655, 3550619540, 4260743448, 5325929310, 7101239080, 10651858620, 21303717240]

約数ペア:

[(1, 21303717240), (2, 10651858620), (3, 7101239080), (4, 5325929310), (5, 4260743448), (6, 3550619540), (8, 2662964655), (10, 2130371724), (12, 1775309770), (13, 1638747480), (15, 1420247816), (20, 1065185862), (24, 887654885), (26, 819373740), (30, 710123908), (39, 546249160), (40, 532592931), (52, 409686870), (60, 355061954), (65, 327749496), (78, 273124580), (104, 204843435), (120, 177530977), (130, 163874748), (156, 136562290), (195, 109249832), (260, 81937374), (312, 68281145), (390, 54624916), (520, 40968687), (647, 32926920), (780, 27312458), (1294, 16463460), (1560, 13656229), (1941, 10975640), (2588, 8231730), (3235, 6585384), (3882, 5487820), (5176, 4115865), (6470, 3292692), (7764, 2743910), (8411, 2532840), (9705, 2195128), (12940, 1646346), (15528, 1371955), (16822, 1266420), (19410, 1097564), (21107, 1009320), (25233, 844280), (25880, 823173), (33644, 633210), (38820, 548782), (42055, 506568), (42214, 504660), (50466, 422140), (63321, 336440), (67288, 316605), (77640, 274391), (84110, 253284), (84428, 252330), (100932, 211070), (105535, 201864), (126165, 168856), (126642, 168220)]