21402073108

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{411578329}}^1$

素因数の和:411578346

約数の個数: 12

約数和(自身を含む): 40334676340

約数和(自身を除く): 18932603232

約数列:

[1, 2, 4, 13, 26, 52, 411578329, 823156658, 1646313316, 5350518277, 10701036554, 21402073108]

約数ペア:

[(1, 21402073108), (2, 10701036554), (4, 5350518277), (13, 1646313316), (26, 823156658), (52, 411578329)]