21148888

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{91159}}^1$

素因数の和:91194

約数の個数: 16

約数和(自身を含む): 41022000

約数和(自身を除く): 19873112

約数列:

[1, 2, 4, 8, 29, 58, 116, 232, 91159, 182318, 364636, 729272, 2643611, 5287222, 10574444, 21148888]

約数ペア:

[(1, 21148888), (2, 10574444), (4, 5287222), (8, 2643611), (29, 729272), (58, 364636), (116, 182318), (232, 91159)]