21094390

素因数分解:

$2^1\times 5^1\times {\mathrm{467}}^1\times {\mathrm{4517}}^1$

素因数の和:4991

約数の個数: 16

約数和(自身を含む): 38059632

約数和(自身を除く): 16965242

約数列:

[1, 2, 5, 10, 467, 934, 2335, 4517, 4670, 9034, 22585, 45170, 2109439, 4218878, 10547195, 21094390]

約数ペア:

[(1, 21094390), (2, 10547195), (5, 4218878), (10, 2109439), (467, 45170), (934, 22585), (2335, 9034), (4517, 4670)]