21278432

素因数分解:

$2^5\times 7^1\times {\mathrm{94993}}^1$

素因数の和:95010

約数の個数: 24

約数和(自身を含む): 47876976

約数和(自身を除く): 26598544

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 112, 224, 94993, 189986, 379972, 664951, 759944, 1329902, 1519888, 2659804, 3039776, 5319608, 10639216, 21278432]

約数ペア:

[(1, 21278432), (2, 10639216), (4, 5319608), (7, 3039776), (8, 2659804), (14, 1519888), (16, 1329902), (28, 759944), (32, 664951), (56, 379972), (112, 189986), (224, 94993)]