21237350

素因数分解:

$2^1\times 5^2\times {\mathrm{383}}^1\times {\mathrm{1109}}^1$

素因数の和:1504

約数の個数: 24

約数和(自身を含む): 39640320

約数和(自身を除く): 18402970

約数列:

[1, 2, 5, 10, 25, 50, 383, 766, 1109, 1915, 2218, 3830, 5545, 9575, 11090, 19150, 27725, 55450, 424747, 849494, 2123735, 4247470, 10618675, 21237350]

約数ペア:

[(1, 21237350), (2, 10618675), (5, 4247470), (10, 2123735), (25, 849494), (50, 424747), (383, 55450), (766, 27725), (1109, 19150), (1915, 11090), (2218, 9575), (3830, 5545)]