21283652

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{563}}^1\times {\mathrm{727}}^1$

素因数の和:1307

約数の個数: 24

約数和(自身を含む): 40238016

約数和(自身を除く): 18954364

約数列:

[1, 2, 4, 13, 26, 52, 563, 727, 1126, 1454, 2252, 2908, 7319, 9451, 14638, 18902, 29276, 37804, 409301, 818602, 1637204, 5320913, 10641826, 21283652]

約数ペア:

[(1, 21283652), (2, 10641826), (4, 5320913), (13, 1637204), (26, 818602), (52, 409301), (563, 37804), (727, 29276), (1126, 18902), (1454, 14638), (2252, 9451), (2908, 7319)]