21560786

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{137}}^1\times {\mathrm{6053}}^1$

素因数の和:6205

約数の個数: 16

約数和(自身を含む): 35088984

約数和(自身を除く): 13528198

約数列:

[1, 2, 13, 26, 137, 274, 1781, 3562, 6053, 12106, 78689, 157378, 829261, 1658522, 10780393, 21560786]

約数ペア:

[(1, 21560786), (2, 10780393), (13, 1658522), (26, 829261), (137, 157378), (274, 78689), (1781, 12106), (3562, 6053)]