21711090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{71}}^1\times {\mathrm{10193}}^1$

素因数の和:10274

約数の個数: 32

約数和(自身を含む): 52845696

約数和(自身を除く): 31134606

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 10193, 20386, 30579, 50965, 61158, 101930, 152895, 305790, 723703, 1447406, 2171109, 3618515, 4342218, 7237030, 10855545, 21711090]

約数ペア:

[(1, 21711090), (2, 10855545), (3, 7237030), (5, 4342218), (6, 3618515), (10, 2171109), (15, 1447406), (30, 723703), (71, 305790), (142, 152895), (213, 101930), (355, 61158), (426, 50965), (710, 30579), (1065, 20386), (2130, 10193)]