21348944

素因数分解:

$2^4\times {\mathrm{277}}^1\times {\mathrm{4817}}^1$

素因数の和:5102

約数の個数: 20

約数和(自身を含む): 41521524

約数和(自身を除く): 20172580

約数列:

[1, 2, 4, 8, 16, 277, 554, 1108, 2216, 4432, 4817, 9634, 19268, 38536, 77072, 1334309, 2668618, 5337236, 10674472, 21348944]

約数ペア:

[(1, 21348944), (2, 10674472), (4, 5337236), (8, 2668618), (16, 1334309), (277, 77072), (554, 38536), (1108, 19268), (2216, 9634), (4432, 4817)]