21778010

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{94687}}^1$

素因数の和:94717

約数の個数: 16

約数和(自身を含む): 40905216

約数和(自身を除く): 19127206

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 94687, 189374, 473435, 946870, 2177801, 4355602, 10889005, 21778010]

約数ペア:

[(1, 21778010), (2, 10889005), (5, 4355602), (10, 2177801), (23, 946870), (46, 473435), (115, 189374), (230, 94687)]