21970822

素因数分解:

$2^1\times {\mathrm{37}}^1\times {\mathrm{367}}^1\times {\mathrm{809}}^1$

素因数の和:1215

約数の個数: 16

約数和(自身を含む): 33981120

約数和(自身を除く): 12010298

約数列:

[1, 2, 37, 74, 367, 734, 809, 1618, 13579, 27158, 29933, 59866, 296903, 593806, 10985411, 21970822]

約数ペア:

[(1, 21970822), (2, 10985411), (37, 593806), (74, 296903), (367, 59866), (734, 29933), (809, 27158), (1618, 13579)]