21735291

素因数分解:

$3^1\times {\mathrm{47}}^1\times {\mathrm{139}}^1\times {\mathrm{1109}}^1$

素因数の和:1298

約数の個数: 16

約数和(自身を含む): 29836800

約数和(自身を除く): 8101509

約数列:

[1, 3, 47, 139, 141, 417, 1109, 3327, 6533, 19599, 52123, 154151, 156369, 462453, 7245097, 21735291]

約数ペア:

[(1, 21735291), (3, 7245097), (47, 462453), (139, 156369), (141, 154151), (417, 52123), (1109, 19599), (3327, 6533)]