21084301

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{3343}}^1$

素因数の和:3420

約数の個数: 16

約数和(自身を含む): 26002944

約数和(自身を除く): 4918643

約数列:

[1, 7, 17, 53, 119, 371, 901, 3343, 6307, 23401, 56831, 177179, 397817, 1240253, 3012043, 21084301]

約数ペア:

[(1, 21084301), (7, 3012043), (17, 1240253), (53, 397817), (119, 177179), (371, 56831), (901, 23401), (3343, 6307)]