21986045

素因数分解:

$5^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1\times {\mathrm{4663}}^1$

素因数の和:4732

約数の個数: 16

約数和(自身を含む): 28207872

約数和(自身を除く): 6221827

約数列:

[1, 5, 23, 41, 115, 205, 943, 4663, 4715, 23315, 107249, 191183, 536245, 955915, 4397209, 21986045]

約数ペア:

[(1, 21986045), (5, 4397209), (23, 955915), (41, 536245), (115, 191183), (205, 107249), (943, 23315), (4663, 4715)]