21006326

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{61}}^1\times {\mathrm{1423}}^1$

素因数の和:1508

約数の個数: 24

約数和(自身を含む): 35226912

約数和(自身を除く): 14220586

約数列:

[1, 2, 11, 22, 61, 121, 122, 242, 671, 1342, 1423, 2846, 7381, 14762, 15653, 31306, 86803, 172183, 173606, 344366, 954833, 1909666, 10503163, 21006326]

約数ペア:

[(1, 21006326), (2, 10503163), (11, 1909666), (22, 954833), (61, 344366), (121, 173606), (122, 172183), (242, 86803), (671, 31306), (1342, 15653), (1423, 14762), (2846, 7381)]