21716432

素因数分解:

$2^4\times {\mathrm{53}}^1\times {\mathrm{25609}}^1$

素因数の和:25670

約数の個数: 20

約数和(自身を含む): 42871140

約数和(自身を除く): 21154708

約数列:

[1, 2, 4, 8, 16, 53, 106, 212, 424, 848, 25609, 51218, 102436, 204872, 409744, 1357277, 2714554, 5429108, 10858216, 21716432]

約数ペア:

[(1, 21716432), (2, 10858216), (4, 5429108), (8, 2714554), (16, 1357277), (53, 409744), (106, 204872), (212, 102436), (424, 51218), (848, 25609)]