21194228

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{131}}^1\times {\mathrm{3677}}^1$

素因数の和:3823

約数の個数: 24

約数和(自身を含む): 40781664

約数和(自身を除く): 19587436

約数列:

[1, 2, 4, 11, 22, 44, 131, 262, 524, 1441, 2882, 3677, 5764, 7354, 14708, 40447, 80894, 161788, 481687, 963374, 1926748, 5298557, 10597114, 21194228]

約数ペア:

[(1, 21194228), (2, 10597114), (4, 5298557), (11, 1926748), (22, 963374), (44, 481687), (131, 161788), (262, 80894), (524, 40447), (1441, 14708), (2882, 7354), (3677, 5764)]