2021091085

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{19717}}^1$

素因数の和:19837

約数の個数: 32

約数和(自身を含む): 2782604160

約数和(自身を除く): 761513075

約数列:

[1, 5, 13, 19, 65, 83, 95, 247, 415, 1079, 1235, 1577, 5395, 7885, 19717, 20501, 98585, 102505, 256321, 374623, 1281605, 1636511, 1873115, 4870099, 8182555, 21274643, 24350495, 31093709, 106373215, 155468545, 404218217, 2021091085]

約数ペア:

[(1, 2021091085), (5, 404218217), (13, 155468545), (19, 106373215), (65, 31093709), (83, 24350495), (95, 21274643), (247, 8182555), (415, 4870099), (1079, 1873115), (1235, 1636511), (1577, 1281605), (5395, 374623), (7885, 256321), (19717, 102505), (20501, 98585)]