21161370

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{449}}^1\times {\mathrm{1571}}^1$

素因数の和:2030

約数の個数: 32

約数和(自身を含む): 50932800

約数和(自身を除く): 29771430

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 449, 898, 1347, 1571, 2245, 2694, 3142, 4490, 4713, 6735, 7855, 9426, 13470, 15710, 23565, 47130, 705379, 1410758, 2116137, 3526895, 4232274, 7053790, 10580685, 21161370]

約数ペア:

[(1, 21161370), (2, 10580685), (3, 7053790), (5, 4232274), (6, 3526895), (10, 2116137), (15, 1410758), (30, 705379), (449, 47130), (898, 23565), (1347, 15710), (1571, 13470), (2245, 9426), (2694, 7855), (3142, 6735), (4490, 4713)]