21161764

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{14033}}^1$

素因数の和:14079

約数の個数: 24

約数和(自身を含む): 41259960

約数和(自身を除く): 20098196

約数列:

[1, 2, 4, 13, 26, 29, 52, 58, 116, 377, 754, 1508, 14033, 28066, 56132, 182429, 364858, 406957, 729716, 813914, 1627828, 5290441, 10580882, 21161764]

約数ペア:

[(1, 21161764), (2, 10580882), (4, 5290441), (13, 1627828), (26, 813914), (29, 729716), (52, 406957), (58, 364858), (116, 182429), (377, 56132), (754, 28066), (1508, 14033)]