21668605

素因数分解:

$5^1\times 7^1\times {\mathrm{137}}^1\times {\mathrm{4519}}^1$

素因数の和:4668

約数の個数: 16

約数和(自身を含む): 29940480

約数和(自身を除く): 8271875

約数列:

[1, 5, 7, 35, 137, 685, 959, 4519, 4795, 22595, 31633, 158165, 619103, 3095515, 4333721, 21668605]

約数ペア:

[(1, 21668605), (5, 4333721), (7, 3095515), (35, 619103), (137, 158165), (685, 31633), (959, 22595), (4519, 4795)]