21581492

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{4813}}^1$

素因数の和:4895

約数の個数: 24

約数和(自身を含む): 40437600

約数和(自身を除く): 18856108

約数列:

[1, 2, 4, 19, 38, 59, 76, 118, 236, 1121, 2242, 4484, 4813, 9626, 19252, 91447, 182894, 283967, 365788, 567934, 1135868, 5395373, 10790746, 21581492]

約数ペア:

[(1, 21581492), (2, 10790746), (4, 5395373), (19, 1135868), (38, 567934), (59, 365788), (76, 283967), (118, 182894), (236, 91447), (1121, 19252), (2242, 9626), (4484, 4813)]