21075274

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{1523}}^1$

素因数の和:1590

約数の個数: 32

約数和(自身を含む): 37526976

約数和(自身を除く): 16451702

約数列:

[1, 2, 11, 17, 22, 34, 37, 74, 187, 374, 407, 629, 814, 1258, 1523, 3046, 6919, 13838, 16753, 25891, 33506, 51782, 56351, 112702, 284801, 569602, 619861, 957967, 1239722, 1915934, 10537637, 21075274]

約数ペア:

[(1, 21075274), (2, 10537637), (11, 1915934), (17, 1239722), (22, 957967), (34, 619861), (37, 569602), (74, 284801), (187, 112702), (374, 56351), (407, 51782), (629, 33506), (814, 25891), (1258, 16753), (1523, 13838), (3046, 6919)]