21918888

素因数分解:

$2^3\times 3^2\times {\mathrm{304429}}^1$

素因数の和:304441

約数の個数: 24

約数和(自身を含む): 59363850

約数和(自身を除く): 37444962

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 304429, 608858, 913287, 1217716, 1826574, 2435432, 2739861, 3653148, 5479722, 7306296, 10959444, 21918888]

約数ペア:

[(1, 21918888), (2, 10959444), (3, 7306296), (4, 5479722), (6, 3653148), (8, 2739861), (9, 2435432), (12, 1826574), (18, 1217716), (24, 913287), (36, 608858), (72, 304429)]