21400548

素因数分解:

$2^2\times 3^1\times {\mathrm{13}}^1\times {\mathrm{137183}}^1$

素因数の和:137203

約数の個数: 24

約数和(自身を含む): 53776128

約数和(自身を除く): 32375580

約数列:

[1, 2, 3, 4, 6, 12, 13, 26, 39, 52, 78, 156, 137183, 274366, 411549, 548732, 823098, 1646196, 1783379, 3566758, 5350137, 7133516, 10700274, 21400548]

約数ペア:

[(1, 21400548), (2, 10700274), (3, 7133516), (4, 5350137), (6, 3566758), (12, 1783379), (13, 1646196), (26, 823098), (39, 548732), (52, 411549), (78, 274366), (156, 137183)]