21448658

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{41}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:183

約数の個数: 64

約数和(自身を含む): 42577920

約数和(自身を除く): 21129262

約数列:

[1, 2, 7, 11, 14, 22, 41, 43, 77, 79, 82, 86, 154, 158, 287, 301, 451, 473, 553, 574, 602, 869, 902, 946, 1106, 1738, 1763, 3157, 3239, 3311, 3397, 3526, 6083, 6314, 6478, 6622, 6794, 12166, 12341, 19393, 22673, 23779, 24682, 35629, 37367, 38786, 45346, 47558, 71258, 74734, 135751, 139277, 249403, 261569, 271502, 278554, 498806, 523138, 974939, 1532047, 1949878, 3064094, 10724329, 21448658]

約数ペア:

[(1, 21448658), (2, 10724329), (7, 3064094), (11, 1949878), (14, 1532047), (22, 974939), (41, 523138), (43, 498806), (77, 278554), (79, 271502), (82, 261569), (86, 249403), (154, 139277), (158, 135751), (287, 74734), (301, 71258), (451, 47558), (473, 45346), (553, 38786), (574, 37367), (602, 35629), (869, 24682), (902, 23779), (946, 22673), (1106, 19393), (1738, 12341), (1763, 12166), (3157, 6794), (3239, 6622), (3311, 6478), (3397, 6314), (3526, 6083)]