21949140

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{9887}}^1$

素因数の和:9936

約数の個数: 48

約数和(自身を含む): 63124992

約数和(自身を除く): 41175852

約数列:

[1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 37, 60, 74, 111, 148, 185, 222, 370, 444, 555, 740, 1110, 2220, 9887, 19774, 29661, 39548, 49435, 59322, 98870, 118644, 148305, 197740, 296610, 365819, 593220, 731638, 1097457, 1463276, 1829095, 2194914, 3658190, 4389828, 5487285, 7316380, 10974570, 21949140]

約数ペア:

[(1, 21949140), (2, 10974570), (3, 7316380), (4, 5487285), (5, 4389828), (6, 3658190), (10, 2194914), (12, 1829095), (15, 1463276), (20, 1097457), (30, 731638), (37, 593220), (60, 365819), (74, 296610), (111, 197740), (148, 148305), (185, 118644), (222, 98870), (370, 59322), (444, 49435), (555, 39548), (740, 29661), (1110, 19774), (2220, 9887)]