21462730

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{29401}}^1$

素因数の和:29481

約数の個数: 16

約数和(自身を含む): 39163464

約数和(自身を除く): 17700734

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 29401, 58802, 147005, 294010, 2146273, 4292546, 10731365, 21462730]

約数ペア:

[(1, 21462730), (2, 10731365), (5, 4292546), (10, 2146273), (73, 294010), (146, 147005), (365, 58802), (730, 29401)]