21290234

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{1279}}^1$

素因数の和:1358

約数の個数: 32

約数和(自身を含む): 38707200

約数和(自身を除く): 17416966

約数列:

[1, 2, 7, 14, 29, 41, 58, 82, 203, 287, 406, 574, 1189, 1279, 2378, 2558, 8323, 8953, 16646, 17906, 37091, 52439, 74182, 104878, 259637, 367073, 519274, 734146, 1520731, 3041462, 10645117, 21290234]

約数ペア:

[(1, 21290234), (2, 10645117), (7, 3041462), (14, 1520731), (29, 734146), (41, 519274), (58, 367073), (82, 259637), (203, 104878), (287, 74182), (406, 52439), (574, 37091), (1189, 17906), (1279, 16646), (2378, 8953), (2558, 8323)]