21182950

素因数分解:

$2^1\times 5^2\times {\mathrm{461}}^1\times {\mathrm{919}}^1$

素因数の和:1392

約数の個数: 24

約数和(自身を含む): 39528720

約数和(自身を除く): 18345770

約数列:

[1, 2, 5, 10, 25, 50, 461, 919, 922, 1838, 2305, 4595, 4610, 9190, 11525, 22975, 23050, 45950, 423659, 847318, 2118295, 4236590, 10591475, 21182950]

約数ペア:

[(1, 21182950), (2, 10591475), (5, 4236590), (10, 2118295), (25, 847318), (50, 423659), (461, 45950), (919, 23050), (922, 22975), (1838, 11525), (2305, 9190), (4595, 4610)]