21723658

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{691}}^1\times {\mathrm{1429}}^1$

素因数の和:2133

約数の個数: 16

約数和(自身を含む): 35624160

約数和(自身を除く): 13900502

約数列:

[1, 2, 11, 22, 691, 1382, 1429, 2858, 7601, 15202, 15719, 31438, 987439, 1974878, 10861829, 21723658]

約数ペア:

[(1, 21723658), (2, 10861829), (11, 1974878), (22, 987439), (691, 31438), (1382, 15719), (1429, 15202), (2858, 7601)]