21976906

素因数分解:

$2^1\times 7^1\times {\mathrm{83}}^1\times {\mathrm{18913}}^1$

素因数の和:19005

約数の個数: 16

約数和(自身を含む): 38130624

約数和(自身を除く): 16153718

約数列:

[1, 2, 7, 14, 83, 166, 581, 1162, 18913, 37826, 132391, 264782, 1569779, 3139558, 10988453, 21976906]

約数ペア:

[(1, 21976906), (2, 10988453), (7, 3139558), (14, 1569779), (83, 264782), (166, 132391), (581, 37826), (1162, 18913)]