21152802811

素因数分解:

$7^1\times {\mathrm{53}}^1\times {\mathrm{5717}}^1\times {\mathrm{9973}}^1$

素因数の和:15750

約数の個数: 16

約数和(自身を含む): 24637535424

約数和(自身を除く): 3484732613

約数列:

[1, 7, 53, 371, 5717, 9973, 40019, 69811, 303001, 528569, 2121007, 3699983, 57015641, 399109487, 3021828973, 21152802811]

約数ペア:

[(1, 21152802811), (7, 3021828973), (53, 399109487), (371, 57015641), (5717, 3699983), (9973, 2121007), (40019, 528569), (69811, 303001)]