21722512

素因数分解:

$2^4\times 7^1\times {\mathrm{193951}}^1$

素因数の和:193966

約数の個数: 20

約数和(自身を含む): 48100096

約数和(自身を除く): 26377584

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 193951, 387902, 775804, 1357657, 1551608, 2715314, 3103216, 5430628, 10861256, 21722512]

約数ペア:

[(1, 21722512), (2, 10861256), (4, 5430628), (7, 3103216), (8, 2715314), (14, 1551608), (16, 1357657), (28, 775804), (56, 387902), (112, 193951)]