21029437

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{461}}^1$

素因数の和:525

約数の個数: 24

約数和(自身を含む): 25807320

約数和(自身を除く): 4777883

約数列:

[1, 11, 13, 29, 121, 143, 319, 377, 461, 1573, 3509, 4147, 5071, 5993, 13369, 45617, 55781, 65923, 147059, 173797, 725153, 1617649, 1911767, 21029437]

約数ペア:

[(1, 21029437), (11, 1911767), (13, 1617649), (29, 725153), (121, 173797), (143, 147059), (319, 65923), (377, 55781), (461, 45617), (1573, 13369), (3509, 5993), (4147, 5071)]