21010160

素因数分解:

$2^4\times 5^1\times {\mathrm{262627}}^1$

素因数の和:262640

約数の個数: 20

約数和(自身を含む): 48848808

約数和(自身を除く): 27838648

約数列:

[1, 2, 4, 5, 8, 10, 16, 20, 40, 80, 262627, 525254, 1050508, 1313135, 2101016, 2626270, 4202032, 5252540, 10505080, 21010160]

約数ペア:

[(1, 21010160), (2, 10505080), (4, 5252540), (5, 4202032), (8, 2626270), (10, 2101016), (16, 1313135), (20, 1050508), (40, 525254), (80, 262627)]