21656446

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1301}}^1$

素因数の和:1380

約数の個数: 32

約数和(自身を含む): 39372480

約数和(自身を除く): 17716034

約数列:

[1, 2, 7, 14, 29, 41, 58, 82, 203, 287, 406, 574, 1189, 1301, 2378, 2602, 8323, 9107, 16646, 18214, 37729, 53341, 75458, 106682, 264103, 373387, 528206, 746774, 1546889, 3093778, 10828223, 21656446]

約数ペア:

[(1, 21656446), (2, 10828223), (7, 3093778), (14, 1546889), (29, 746774), (41, 528206), (58, 373387), (82, 264103), (203, 106682), (287, 75458), (406, 53341), (574, 37729), (1189, 18214), (1301, 16646), (2378, 9107), (2602, 8323)]