20921605151

素因数分解:

${\mathrm{43}}^1\times {\mathrm{53}}^1\times {\mathrm{1667}}^1\times {\mathrm{5507}}^1$

素因数の和:7270

約数の個数: 16

約数和(自身を含む): 21829129344

約数和(自身を除く): 907524193

約数列:

[1, 43, 53, 1667, 2279, 5507, 71681, 88351, 236801, 291871, 3799093, 9180169, 12550453, 394747267, 486548957, 20921605151]

約数ペア:

[(1, 20921605151), (43, 486548957), (53, 394747267), (1667, 12550453), (2279, 9180169), (5507, 3799093), (71681, 291871), (88351, 236801)]