21039657986

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{227}}^1\times {\mathrm{759719}}^1$

素因数の和:760009

約数の個数: 16

約数和(自身を含む): 32218205760

約数和(自身を除く): 11178547774

約数列:

[1, 2, 61, 122, 227, 454, 13847, 27694, 759719, 1519438, 46342859, 92685718, 172456213, 344912426, 10519828993, 21039657986]

約数ペア:

[(1, 21039657986), (2, 10519828993), (61, 344912426), (122, 172456213), (227, 92685718), (454, 46342859), (13847, 1519438), (27694, 759719)]