21395842

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{967}}^1$

素因数の和:1042

約数の個数: 32

約数和(自身を含む): 37078272

約数和(自身を除く): 15682430

約数列:

[1, 2, 13, 23, 26, 37, 46, 74, 299, 481, 598, 851, 962, 967, 1702, 1934, 11063, 12571, 22126, 22241, 25142, 35779, 44482, 71558, 289133, 465127, 578266, 822917, 930254, 1645834, 10697921, 21395842]

約数ペア:

[(1, 21395842), (2, 10697921), (13, 1645834), (23, 930254), (26, 822917), (37, 578266), (46, 465127), (74, 289133), (299, 71558), (481, 44482), (598, 35779), (851, 25142), (962, 22241), (967, 22126), (1702, 12571), (1934, 11063)]