21287736

素因数分解:

$2^3\times 3^2\times {\mathrm{295663}}^1$

素因数の和:295675

約数の個数: 24

約数和(自身を含む): 57654480

約数和(自身を除く): 36366744

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 295663, 591326, 886989, 1182652, 1773978, 2365304, 2660967, 3547956, 5321934, 7095912, 10643868, 21287736]

約数ペア:

[(1, 21287736), (2, 10643868), (3, 7095912), (4, 5321934), (6, 3547956), (8, 2660967), (9, 2365304), (12, 1773978), (18, 1182652), (24, 886989), (36, 591326), (72, 295663)]