21904635

素因数分解:

$3^1\times 5^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{467}}^1$

素因数の和:587

約数の個数: 32

約数和(自身を含む): 36391680

約数和(自身を除く): 14487045

約数列:

[1, 3, 5, 15, 53, 59, 159, 177, 265, 295, 467, 795, 885, 1401, 2335, 3127, 7005, 9381, 15635, 24751, 27553, 46905, 74253, 82659, 123755, 137765, 371265, 413295, 1460309, 4380927, 7301545, 21904635]

約数ペア:

[(1, 21904635), (3, 7301545), (5, 4380927), (15, 1460309), (53, 413295), (59, 371265), (159, 137765), (177, 123755), (265, 82659), (295, 74253), (467, 46905), (795, 27553), (885, 24751), (1401, 15635), (2335, 9381), (3127, 7005)]