21300190

素因数分解:

$2^1\times 5^1\times {\mathrm{157}}^1\times {\mathrm{13567}}^1$

素因数の和:13731

約数の個数: 16

約数和(自身を含む): 38587392

約数和(自身を除く): 17287202

約数列:

[1, 2, 5, 10, 157, 314, 785, 1570, 13567, 27134, 67835, 135670, 2130019, 4260038, 10650095, 21300190]

約数ペア:

[(1, 21300190), (2, 10650095), (5, 4260038), (10, 2130019), (157, 135670), (314, 67835), (785, 27134), (1570, 13567)]