21264864

素因数分解:

$2^5\times 3^1\times {\mathrm{221509}}^1$

素因数の和:221522

約数の個数: 24

約数和(自身を含む): 55820520

約数和(自身を除く): 34555656

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 221509, 443018, 664527, 886036, 1329054, 1772072, 2658108, 3544144, 5316216, 7088288, 10632432, 21264864]

約数ペア:

[(1, 21264864), (2, 10632432), (3, 7088288), (4, 5316216), (6, 3544144), (8, 2658108), (12, 1772072), (16, 1329054), (24, 886036), (32, 664527), (48, 443018), (96, 221509)]