21990147216

素因数分解:

$2^4\times 3^1\times {\mathrm{458128067}}^1$

素因数の和:458128078

約数の個数: 20

約数和(自身を含む): 56807880432

約数和(自身を除く): 34817733216

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 458128067, 916256134, 1374384201, 1832512268, 2748768402, 3665024536, 5497536804, 7330049072, 10995073608, 21990147216]

約数ペア:

[(1, 21990147216), (2, 10995073608), (3, 7330049072), (4, 5497536804), (6, 3665024536), (8, 2748768402), (12, 1832512268), (16, 1374384201), (24, 916256134), (48, 458128067)]