21511226

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{12377}}^1$

素因数の和:12469

約数の個数: 16

約数和(自身を含む): 35648640

約数和(自身を除く): 14137414

約数列:

[1, 2, 11, 22, 79, 158, 869, 1738, 12377, 24754, 136147, 272294, 977783, 1955566, 10755613, 21511226]

約数ペア:

[(1, 21511226), (2, 10755613), (11, 1955566), (22, 977783), (79, 272294), (158, 136147), (869, 24754), (1738, 12377)]