21098246

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{42709}}^1$

素因数の和:42743

約数の個数: 16

約数和(自身を含む): 35876400

約数和(自身を除く): 14778154

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 42709, 85418, 555217, 811471, 1110434, 1622942, 10549123, 21098246]

約数ペア:

[(1, 21098246), (2, 10549123), (13, 1622942), (19, 1110434), (26, 811471), (38, 555217), (247, 85418), (494, 42709)]