21638276

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{599}}^1\times {\mathrm{821}}^1$

素因数の和:1435

約数の個数: 24

約数和(自身を含む): 41428800

約数和(自身を除く): 19790524

約数列:

[1, 2, 4, 11, 22, 44, 599, 821, 1198, 1642, 2396, 3284, 6589, 9031, 13178, 18062, 26356, 36124, 491779, 983558, 1967116, 5409569, 10819138, 21638276]

約数ペア:

[(1, 21638276), (2, 10819138), (4, 5409569), (11, 1967116), (22, 983558), (44, 491779), (599, 36124), (821, 26356), (1198, 18062), (1642, 13178), (2396, 9031), (3284, 6589)]