21030008

素因数分解:

$2^3\times {\mathrm{659}}^1\times {\mathrm{3989}}^1$

素因数の和:4654

約数の個数: 16

約数和(自身を含む): 39501000

約数和(自身を除く): 18470992

約数列:

[1, 2, 4, 8, 659, 1318, 2636, 3989, 5272, 7978, 15956, 31912, 2628751, 5257502, 10515004, 21030008]

約数ペア:

[(1, 21030008), (2, 10515004), (4, 5257502), (8, 2628751), (659, 31912), (1318, 15956), (2636, 7978), (3989, 5272)]