21718065

素因数分解:

$3^1\times 5^1\times {\mathrm{103}}^1\times {\mathrm{14057}}^1$

素因数の和:14168

約数の個数: 16

約数和(自身を含む): 35088768

約数和(自身を除く): 13370703

約数列:

[1, 3, 5, 15, 103, 309, 515, 1545, 14057, 42171, 70285, 210855, 1447871, 4343613, 7239355, 21718065]

約数ペア:

[(1, 21718065), (3, 7239355), (5, 4343613), (15, 1447871), (103, 210855), (309, 70285), (515, 42171), (1545, 14057)]