21451326

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{5189}}^1$

素因数の和:5260

約数の個数: 32

約数和(自身を含む): 47083680

約数和(自身を除く): 25632354

約数列:

[1, 2, 3, 6, 13, 26, 39, 53, 78, 106, 159, 318, 689, 1378, 2067, 4134, 5189, 10378, 15567, 31134, 67457, 134914, 202371, 275017, 404742, 550034, 825051, 1650102, 3575221, 7150442, 10725663, 21451326]

約数ペア:

[(1, 21451326), (2, 10725663), (3, 7150442), (6, 3575221), (13, 1650102), (26, 825051), (39, 550034), (53, 404742), (78, 275017), (106, 202371), (159, 134914), (318, 67457), (689, 31134), (1378, 15567), (2067, 10378), (4134, 5189)]