21778664

素因数分解:

$2^3\times {\mathrm{613}}^1\times {\mathrm{4441}}^1$

素因数の和:5060

約数の個数: 16

約数和(自身を含む): 40910820

約数和(自身を除く): 19132156

約数列:

[1, 2, 4, 8, 613, 1226, 2452, 4441, 4904, 8882, 17764, 35528, 2722333, 5444666, 10889332, 21778664]

約数ペア:

[(1, 21778664), (2, 10889332), (4, 5444666), (8, 2722333), (613, 35528), (1226, 17764), (2452, 8882), (4441, 4904)]