21265630

素因数分解:

$2^1\times 5^1\times {\mathrm{73}}^1\times {\mathrm{29131}}^1$

素因数の和:29211

約数の個数: 16

約数和(自身を含む): 38803824

約数和(自身を除く): 17538194

約数列:

[1, 2, 5, 10, 73, 146, 365, 730, 29131, 58262, 145655, 291310, 2126563, 4253126, 10632815, 21265630]

約数ペア:

[(1, 21265630), (2, 10632815), (5, 4253126), (10, 2126563), (73, 291310), (146, 145655), (365, 58262), (730, 29131)]