21000455538

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{205886819}}^1$

素因数の和:205886841

約数の個数: 16

約数和(自身を含む): 44471553120

約数和(自身を除く): 23471097582

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 205886819, 411773638, 617660457, 1235320914, 3500075923, 7000151846, 10500227769, 21000455538]

約数ペア:

[(1, 21000455538), (2, 10500227769), (3, 7000151846), (6, 3500075923), (17, 1235320914), (34, 617660457), (51, 411773638), (102, 205886819)]