21443461

素因数分解:

${\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{409}}^1$

素因数の和:568

約数の個数: 16

約数和(自身を含む): 23993200

約数和(自身を除く): 2549739

約数列:

[1, 13, 37, 109, 409, 481, 1417, 4033, 5317, 15133, 44581, 52429, 196729, 579553, 1649497, 21443461]

約数ペア:

[(1, 21443461), (13, 1649497), (37, 579553), (109, 196729), (409, 52429), (481, 44581), (1417, 15133), (4033, 5317)]