21487433

素因数分解:

${\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1033}}^1$

素因数の和:1136

約数の個数: 16

約数和(自身を含む): 24617472

約数和(自身を除く): 3130039

約数列:

[1, 11, 31, 61, 341, 671, 1033, 1891, 11363, 20801, 32023, 63013, 352253, 693143, 1953403, 21487433]

約数ペア:

[(1, 21487433), (11, 1953403), (31, 693143), (61, 352253), (341, 63013), (671, 32023), (1033, 20801), (1891, 11363)]