21529770

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{717659}}^1$

素因数の和:717669

約数の個数: 16

約数和(自身を含む): 51671520

約数和(自身を除く): 30141750

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 717659, 1435318, 2152977, 3588295, 4305954, 7176590, 10764885, 21529770]

約数ペア:

[(1, 21529770), (2, 10764885), (3, 7176590), (5, 4305954), (6, 3588295), (10, 2152977), (15, 1435318), (30, 717659)]