21140054

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{13781}}^1$

素因数の和:13855

約数の個数: 16

約数和(自身を含む): 34730640

約数和(自身を除く): 13590586

約数列:

[1, 2, 13, 26, 59, 118, 767, 1534, 13781, 27562, 179153, 358306, 813079, 1626158, 10570027, 21140054]

約数ペア:

[(1, 21140054), (2, 10570027), (13, 1626158), (26, 813079), (59, 358306), (118, 179153), (767, 27562), (1534, 13781)]