21245030

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{67}}^1\times {\mathrm{857}}^1$

素因数の和:968

約数の個数: 32

約数和(自身を含む): 39907296

約数和(自身を除く): 18662266

約数列:

[1, 2, 5, 10, 37, 67, 74, 134, 185, 335, 370, 670, 857, 1714, 2479, 4285, 4958, 8570, 12395, 24790, 31709, 57419, 63418, 114838, 158545, 287095, 317090, 574190, 2124503, 4249006, 10622515, 21245030]

約数ペア:

[(1, 21245030), (2, 10622515), (5, 4249006), (10, 2124503), (37, 574190), (67, 317090), (74, 287095), (134, 158545), (185, 114838), (335, 63418), (370, 57419), (670, 31709), (857, 24790), (1714, 12395), (2479, 8570), (4285, 4958)]