21477910

素因数分解:

$2^1\times 5^1\times {\mathrm{83}}^1\times {\mathrm{113}}^1\times {\mathrm{229}}^1$

素因数の和:432

約数の個数: 32

約数和(自身を含む): 39644640

約数和(自身を除く): 18166730

約数列:

[1, 2, 5, 10, 83, 113, 166, 226, 229, 415, 458, 565, 830, 1130, 1145, 2290, 9379, 18758, 19007, 25877, 38014, 46895, 51754, 93790, 95035, 129385, 190070, 258770, 2147791, 4295582, 10738955, 21477910]

約数ペア:

[(1, 21477910), (2, 10738955), (5, 4295582), (10, 2147791), (83, 258770), (113, 190070), (166, 129385), (226, 95035), (229, 93790), (415, 51754), (458, 46895), (565, 38014), (830, 25877), (1130, 19007), (1145, 18758), (2290, 9379)]