21920904

素因数分解:

$2^3\times 3^2\times {\mathrm{304457}}^1$

素因数の和:304469

約数の個数: 24

約数和(自身を含む): 59369310

約数和(自身を除く): 37448406

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72, 304457, 608914, 913371, 1217828, 1826742, 2435656, 2740113, 3653484, 5480226, 7306968, 10960452, 21920904]

約数ペア:

[(1, 21920904), (2, 10960452), (3, 7306968), (4, 5480226), (6, 3653484), (8, 2740113), (9, 2435656), (12, 1826742), (18, 1217828), (24, 913371), (36, 608914), (72, 304457)]