21350265

素因数分解:

$3^1\times 5^1\times {\mathrm{389}}^1\times {\mathrm{3659}}^1$

素因数の和:4056

約数の個数: 16

約数和(自身を含む): 34257600

約数和(自身を除く): 12907335

約数列:

[1, 3, 5, 15, 389, 1167, 1945, 3659, 5835, 10977, 18295, 54885, 1423351, 4270053, 7116755, 21350265]

約数ペア:

[(1, 21350265), (3, 7116755), (5, 4270053), (15, 1423351), (389, 54885), (1167, 18295), (1945, 10977), (3659, 5835)]