21652180

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{98419}}^1$

素因数の和:98439

約数の個数: 24

約数和(自身を含む): 49603680

約数和(自身を除く): 27951500

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 98419, 196838, 393676, 492095, 984190, 1082609, 1968380, 2165218, 4330436, 5413045, 10826090, 21652180]

約数ペア:

[(1, 21652180), (2, 10826090), (4, 5413045), (5, 4330436), (10, 2165218), (11, 1968380), (20, 1082609), (22, 984190), (44, 492095), (55, 393676), (110, 196838), (220, 98419)]