21999730

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{95651}}^1$

素因数の和:95681

約数の個数: 16

約数和(自身を含む): 41321664

約数和(自身を除く): 19321934

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 95651, 191302, 478255, 956510, 2199973, 4399946, 10999865, 21999730]

約数ペア:

[(1, 21999730), (2, 10999865), (5, 4399946), (10, 2199973), (23, 956510), (46, 478255), (115, 191302), (230, 95651)]