16200821

素因数分解:

$7^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{877}}^1$

素因数の和:933

約数の個数: 24

約数和(自身を含む): 21019320

約数和(自身を除く): 4818499

約数列:

[1, 7, 13, 29, 49, 91, 203, 377, 637, 877, 1421, 2639, 6139, 11401, 18473, 25433, 42973, 79807, 178031, 330629, 558649, 1246217, 2314403, 16200821]

約数ペア:

[(1, 16200821), (7, 2314403), (13, 1246217), (29, 558649), (49, 330629), (91, 178031), (203, 79807), (377, 42973), (637, 25433), (877, 18473), (1421, 11401), (2639, 6139)]