21422908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{4079}}^1$

素因数の和:4197

約数の個数: 24

約数和(自身を含む): 40783680

約数和(自身を除く): 19360772

約数列:

[1, 2, 4, 13, 26, 52, 101, 202, 404, 1313, 2626, 4079, 5252, 8158, 16316, 53027, 106054, 212108, 411979, 823958, 1647916, 5355727, 10711454, 21422908]

約数ペア:

[(1, 21422908), (2, 10711454), (4, 5355727), (13, 1647916), (26, 823958), (52, 411979), (101, 212108), (202, 106054), (404, 53027), (1313, 16316), (2626, 8158), (4079, 5252)]