21018078

素因数分解:

$2^1\times 3^2\times {\mathrm{229}}^1\times {\mathrm{5099}}^1$

素因数の和:5336

約数の個数: 24

約数和(自身を含む): 45747000

約数和(自身を除く): 24728922

約数列:

[1, 2, 3, 6, 9, 18, 229, 458, 687, 1374, 2061, 4122, 5099, 10198, 15297, 30594, 45891, 91782, 1167671, 2335342, 3503013, 7006026, 10509039, 21018078]

約数ペア:

[(1, 21018078), (2, 10509039), (3, 7006026), (6, 3503013), (9, 2335342), (18, 1167671), (229, 91782), (458, 45891), (687, 30594), (1374, 15297), (2061, 10198), (4122, 5099)]