21000658251

素因数分解:

$3^1\times {\mathrm{227}}^1\times {\mathrm{829}}^1\times {\mathrm{37199}}^1$

素因数の和:38258

約数の個数: 16

約数和(自身を含む): 28158912000

約数和(自身を除く): 7158253749

約数列:

[1, 3, 227, 681, 829, 2487, 37199, 111597, 188183, 564549, 8444173, 25332519, 30837971, 92513913, 7000219417, 21000658251]

約数ペア:

[(1, 21000658251), (3, 7000219417), (227, 92513913), (681, 30837971), (829, 25332519), (2487, 8444173), (37199, 564549), (111597, 188183)]