21967472

素因数分解:

$2^4\times {\mathrm{41}}^1\times {\mathrm{33487}}^1$

素因数の和:33536

約数の個数: 20

約数和(自身を含む): 43601376

約数和(自身を除く): 21633904

約数列:

[1, 2, 4, 8, 16, 41, 82, 164, 328, 656, 33487, 66974, 133948, 267896, 535792, 1372967, 2745934, 5491868, 10983736, 21967472]

約数ペア:

[(1, 21967472), (2, 10983736), (4, 5491868), (8, 2745934), (16, 1372967), (41, 535792), (82, 267896), (164, 133948), (328, 66974), (656, 33487)]