21300765

素因数分解:

$3^1\times 5^1\times {\mathrm{269}}^1\times {\mathrm{5279}}^1$

素因数の和:5556

約数の個数: 16

約数和(自身を含む): 34214400

約数和(自身を除く): 12913635

約数列:

[1, 3, 5, 15, 269, 807, 1345, 4035, 5279, 15837, 26395, 79185, 1420051, 4260153, 7100255, 21300765]

約数ペア:

[(1, 21300765), (3, 7100255), (5, 4260153), (15, 1420051), (269, 79185), (807, 26395), (1345, 15837), (4035, 5279)]