21194879090

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{37}}^1\times {\mathrm{67631}}^1$

素因数の和:67704

約数の個数: 96

約数和(自身を含む): 49220946432

約数和(自身を除く): 28026067342

約数列:

[1, 2, 5, 7, 10, 11, 14, 22, 35, 37, 55, 70, 74, 77, 110, 121, 154, 185, 242, 259, 370, 385, 407, 518, 605, 770, 814, 847, 1210, 1295, 1694, 2035, 2590, 2849, 4070, 4235, 4477, 5698, 8470, 8954, 14245, 22385, 28490, 31339, 44770, 62678, 67631, 135262, 156695, 313390, 338155, 473417, 676310, 743941, 946834, 1487882, 2367085, 2502347, 3719705, 4734170, 5004694, 5207587, 7439410, 8183351, 10415174, 12511735, 16366702, 17516429, 25023470, 26037935, 27525817, 35032858, 40916755, 52075870, 55051634, 57283457, 81833510, 87582145, 114566914, 137629085, 175164290, 192680719, 275258170, 286417285, 302783987, 385361438, 572834570, 605567974, 963403595, 1513919935, 1926807190, 2119487909, 3027839870, 4238975818, 10597439545, 21194879090]

約数ペア:

[(1, 21194879090), (2, 10597439545), (5, 4238975818), (7, 3027839870), (10, 2119487909), (11, 1926807190), (14, 1513919935), (22, 963403595), (35, 605567974), (37, 572834570), (55, 385361438), (70, 302783987), (74, 286417285), (77, 275258170), (110, 192680719), (121, 175164290), (154, 137629085), (185, 114566914), (242, 87582145), (259, 81833510), (370, 57283457), (385, 55051634), (407, 52075870), (518, 40916755), (605, 35032858), (770, 27525817), (814, 26037935), (847, 25023470), (1210, 17516429), (1295, 16366702), (1694, 12511735), (2035, 10415174), (2590, 8183351), (2849, 7439410), (4070, 5207587), (4235, 5004694), (4477, 4734170), (5698, 3719705), (8470, 2502347), (8954, 2367085), (14245, 1487882), (22385, 946834), (28490, 743941), (31339, 676310), (44770, 473417), (62678, 338155), (67631, 313390), (135262, 156695)]