21636918

素因数分解:

$2^1\times 3^2\times {\mathrm{409}}^1\times {\mathrm{2939}}^1$

素因数の和:3356

約数の個数: 24

約数和(自身を含む): 47010600

約数和(自身を除く): 25373682

約数列:

[1, 2, 3, 6, 9, 18, 409, 818, 1227, 2454, 2939, 3681, 5878, 7362, 8817, 17634, 26451, 52902, 1202051, 2404102, 3606153, 7212306, 10818459, 21636918]

約数ペア:

[(1, 21636918), (2, 10818459), (3, 7212306), (6, 3606153), (9, 2404102), (18, 1202051), (409, 52902), (818, 26451), (1227, 17634), (2454, 8817), (2939, 7362), (3681, 5878)]