21966009

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{10627}}^1$

素因数の和:10696

約数の個数: 16

約数和(自身を含む): 32139072

約数和(自身を除く): 10173063

約数列:

[1, 3, 13, 39, 53, 159, 689, 2067, 10627, 31881, 138151, 414453, 563231, 1689693, 7322003, 21966009]

約数ペア:

[(1, 21966009), (3, 7322003), (13, 1689693), (39, 563231), (53, 414453), (159, 138151), (689, 31881), (2067, 10627)]