21615672940

素因数分解:

$2^2\times 5^1\times {\mathrm{2549}}^1\times {\mathrm{424003}}^1$

素因数の和:426561

約数の個数: 24

約数和(自身を含む): 45410828400

約数和(自身を除く): 23795155460

約数列:

[1, 2, 4, 5, 10, 20, 2549, 5098, 10196, 12745, 25490, 50980, 424003, 848006, 1696012, 2120015, 4240030, 8480060, 1080783647, 2161567294, 4323134588, 5403918235, 10807836470, 21615672940]

約数ペア:

[(1, 21615672940), (2, 10807836470), (4, 5403918235), (5, 4323134588), (10, 2161567294), (20, 1080783647), (2549, 8480060), (5098, 4240030), (10196, 2120015), (12745, 1696012), (25490, 848006), (50980, 424003)]