21167962010

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{71}}^1\times {\mathrm{251}}^1\times {\mathrm{9137}}^1$

素因数の和:9479

約数の個数: 64

約数和(自身を含む): 41781567744

約数和(自身を除く): 20613605734

約数列:

[1, 2, 5, 10, 13, 26, 65, 71, 130, 142, 251, 355, 502, 710, 923, 1255, 1846, 2510, 3263, 4615, 6526, 9137, 9230, 16315, 17821, 18274, 32630, 35642, 45685, 89105, 91370, 118781, 178210, 231673, 237562, 463346, 593905, 648727, 1158365, 1187810, 1297454, 2293387, 2316730, 3243635, 4586774, 6487270, 8433451, 11466935, 16866902, 22933870, 29814031, 42167255, 59628062, 84334510, 149070155, 162830477, 298140310, 325660954, 814152385, 1628304770, 2116796201, 4233592402, 10583981005, 21167962010]

約数ペア:

[(1, 21167962010), (2, 10583981005), (5, 4233592402), (10, 2116796201), (13, 1628304770), (26, 814152385), (65, 325660954), (71, 298140310), (130, 162830477), (142, 149070155), (251, 84334510), (355, 59628062), (502, 42167255), (710, 29814031), (923, 22933870), (1255, 16866902), (1846, 11466935), (2510, 8433451), (3263, 6487270), (4615, 4586774), (6526, 3243635), (9137, 2316730), (9230, 2293387), (16315, 1297454), (17821, 1187810), (18274, 1158365), (32630, 648727), (35642, 593905), (45685, 463346), (89105, 237562), (91370, 231673), (118781, 178210)]