21249834

素因数分解:

$2^1\times 3^1\times {\mathrm{1697}}^1\times {\mathrm{2087}}^1$

素因数の和:3789

約数の個数: 16

約数和(自身を含む): 42545088

約数和(自身を除く): 21295254

約数列:

[1, 2, 3, 6, 1697, 2087, 3394, 4174, 5091, 6261, 10182, 12522, 3541639, 7083278, 10624917, 21249834]

約数ペア:

[(1, 21249834), (2, 10624917), (3, 7083278), (6, 3541639), (1697, 12522), (2087, 10182), (3394, 6261), (4174, 5091)]