21132878

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{487}}^1\times {\mathrm{1669}}^1$

素因数の和:2171

約数の個数: 16

約数和(自身を含む): 34228320

約数和(自身を除く): 13095442

約数列:

[1, 2, 13, 26, 487, 974, 1669, 3338, 6331, 12662, 21697, 43394, 812803, 1625606, 10566439, 21132878]

約数ペア:

[(1, 21132878), (2, 10566439), (13, 1625606), (26, 812803), (487, 43394), (974, 21697), (1669, 12662), (3338, 6331)]