21068170

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{56941}}^1$

素因数の和:56985

約数の個数: 16

約数和(自身を含む): 38948328

約数和(自身を除く): 17880158

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 56941, 113882, 284705, 569410, 2106817, 4213634, 10534085, 21068170]

約数ペア:

[(1, 21068170), (2, 10534085), (5, 4213634), (10, 2106817), (37, 569410), (74, 284705), (185, 113882), (370, 56941)]