21107129065

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{4957}}^1\times {\mathrm{77419}}^1$

素因数の和:82392

約数の個数: 16

約数和(自身を含む): 27637081920

約数和(自身を除く): 6529952855

約数列:

[1, 5, 11, 55, 4957, 24785, 54527, 77419, 272635, 387095, 851609, 4258045, 383765983, 1918829915, 4221425813, 21107129065]

約数ペア:

[(1, 21107129065), (5, 4221425813), (11, 1918829915), (55, 383765983), (4957, 4258045), (24785, 851609), (54527, 387095), (77419, 272635)]