21714805

素因数分解:

$5^1\times 7^1\times {\mathrm{379}}^1\times {\mathrm{1637}}^1$

素因数の和:2028

約数の個数: 16

約数和(自身を含む): 29877120

約数和(自身を除く): 8162315

約数列:

[1, 5, 7, 35, 379, 1637, 1895, 2653, 8185, 11459, 13265, 57295, 620423, 3102115, 4342961, 21714805]

約数ペア:

[(1, 21714805), (5, 4342961), (7, 3102115), (35, 620423), (379, 57295), (1637, 13265), (1895, 11459), (2653, 8185)]