21167186463

素因数分解:

$3^3\times {\mathrm{139}}^1\times {\mathrm{5640071}}^1$

素因数の和:5640219

約数の個数: 16

約数和(自身を含む): 31584403200

約数和(自身を除く): 10417216737

約数列:

[1, 3, 9, 27, 139, 417, 1251, 3753, 5640071, 16920213, 50760639, 152281917, 783969869, 2351909607, 7055728821, 21167186463]

約数ペア:

[(1, 21167186463), (3, 7055728821), (9, 2351909607), (27, 783969869), (139, 152281917), (417, 50760639), (1251, 16920213), (3753, 5640071)]