21028432

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{35521}}^1$

素因数の和:35566

約数の個数: 20

約数和(自身を含む): 41844916

約数和(自身を除く): 20816484

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 592, 35521, 71042, 142084, 284168, 568336, 1314277, 2628554, 5257108, 10514216, 21028432]

約数ペア:

[(1, 21028432), (2, 10514216), (4, 5257108), (8, 2628554), (16, 1314277), (37, 568336), (74, 284168), (148, 142084), (296, 71042), (592, 35521)]