21579912

素因数分解:

$2^3\times 3^3\times {\mathrm{99907}}^1$

素因数の和:99922

約数の個数: 32

約数和(自身を含む): 59944800

約数和(自身を除く): 38364888

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, 99907, 199814, 299721, 399628, 599442, 799256, 899163, 1198884, 1798326, 2397768, 2697489, 3596652, 5394978, 7193304, 10789956, 21579912]

約数ペア:

[(1, 21579912), (2, 10789956), (3, 7193304), (4, 5394978), (6, 3596652), (8, 2697489), (9, 2397768), (12, 1798326), (18, 1198884), (24, 899163), (27, 799256), (36, 599442), (54, 399628), (72, 299721), (108, 199814), (216, 99907)]