21000455265

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{26415667}}^1$

素因数の和:26415728

約数の個数: 16

約数和(自身を含む): 34234705728

約数和(自身を除く): 13234250463

約数列:

[1, 3, 5, 15, 53, 159, 265, 795, 26415667, 79247001, 132078335, 396235005, 1400030351, 4200091053, 7000151755, 21000455265]

約数ペア:

[(1, 21000455265), (3, 7000151755), (5, 4200091053), (15, 1400030351), (53, 396235005), (159, 132078335), (265, 79247001), (795, 26415667)]