21945688

素因数分解:

$2^3\times {\mathrm{211}}^1\times {\mathrm{13001}}^1$

素因数の和:13218

約数の個数: 16

約数和(自身を含む): 41346360

約数和(自身を除く): 19400672

約数列:

[1, 2, 4, 8, 211, 422, 844, 1688, 13001, 26002, 52004, 104008, 2743211, 5486422, 10972844, 21945688]

約数ペア:

[(1, 21945688), (2, 10972844), (4, 5486422), (8, 2743211), (211, 104008), (422, 52004), (844, 26002), (1688, 13001)]