21490396

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{59}}^1\times {\mathrm{2221}}^1$

素因数の和:2325

約数の個数: 24

約数和(自身を含む): 39196080

約数和(自身を除く): 17705684

約数列:

[1, 2, 4, 41, 59, 82, 118, 164, 236, 2221, 2419, 4442, 4838, 8884, 9676, 91061, 131039, 182122, 262078, 364244, 524156, 5372599, 10745198, 21490396]

約数ペア:

[(1, 21490396), (2, 10745198), (4, 5372599), (41, 524156), (59, 364244), (82, 262078), (118, 182122), (164, 131039), (236, 91061), (2221, 9676), (2419, 8884), (4442, 4838)]