21435550

素因数分解:

$2^1\times 5^2\times {\mathrm{577}}^1\times {\mathrm{743}}^1$

素因数の和:1332

約数の個数: 24

約数和(自身を含む): 39992976

約数和(自身を除く): 18557426

約数列:

[1, 2, 5, 10, 25, 50, 577, 743, 1154, 1486, 2885, 3715, 5770, 7430, 14425, 18575, 28850, 37150, 428711, 857422, 2143555, 4287110, 10717775, 21435550]

約数ペア:

[(1, 21435550), (2, 10717775), (5, 4287110), (10, 2143555), (25, 857422), (50, 428711), (577, 37150), (743, 28850), (1154, 18575), (1486, 14425), (2885, 7430), (3715, 5770)]