21222292

素因数分解:

$2^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{8329}}^1$

素因数の和:8360

約数の個数: 36

約数和(自身を含む): 46531380

約数和(自身を除く): 25309088

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 49, 52, 91, 98, 182, 196, 364, 637, 1274, 2548, 8329, 16658, 33316, 58303, 108277, 116606, 216554, 233212, 408121, 433108, 757939, 816242, 1515878, 1632484, 3031756, 5305573, 10611146, 21222292]

約数ペア:

[(1, 21222292), (2, 10611146), (4, 5305573), (7, 3031756), (13, 1632484), (14, 1515878), (26, 816242), (28, 757939), (49, 433108), (52, 408121), (91, 233212), (98, 216554), (182, 116606), (196, 108277), (364, 58303), (637, 33316), (1274, 16658), (2548, 8329)]