21876354

素因数分解:

$2^1\times 3^2\times {\mathrm{257}}^1\times {\mathrm{4729}}^1$

素因数の和:4994

約数の個数: 24

約数和(自身を含む): 47593260

約数和(自身を除く): 25716906

約数列:

[1, 2, 3, 6, 9, 18, 257, 514, 771, 1542, 2313, 4626, 4729, 9458, 14187, 28374, 42561, 85122, 1215353, 2430706, 3646059, 7292118, 10938177, 21876354]

約数ペア:

[(1, 21876354), (2, 10938177), (3, 7292118), (6, 3646059), (9, 2430706), (18, 1215353), (257, 85122), (514, 42561), (771, 28374), (1542, 14187), (2313, 9458), (4626, 4729)]