21286730

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{92551}}^1$

素因数の和:92581

約数の個数: 16

約数和(自身を含む): 39982464

約数和(自身を除く): 18695734

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 92551, 185102, 462755, 925510, 2128673, 4257346, 10643365, 21286730]

約数ペア:

[(1, 21286730), (2, 10643365), (5, 4257346), (10, 2128673), (23, 925510), (46, 462755), (115, 185102), (230, 92551)]