21107138

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{42727}}^1$

素因数の和:42761

約数の個数: 16

約数和(自身を含む): 35891520

約数和(自身を除く): 14784382

約数列:

[1, 2, 13, 19, 26, 38, 247, 494, 42727, 85454, 555451, 811813, 1110902, 1623626, 10553569, 21107138]

約数ペア:

[(1, 21107138), (2, 10553569), (13, 1623626), (19, 1110902), (26, 811813), (38, 555451), (247, 85454), (494, 42727)]