21407022

素因数分解:

$2^1\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{1867}}^1$

素因数の和:1902

約数の個数: 72

約数和(自身を含む): 58135896

約数和(自身を除く): 36728874

約数列:

[1, 2, 3, 6, 7, 9, 13, 14, 18, 21, 26, 39, 42, 49, 63, 78, 91, 98, 117, 126, 147, 182, 234, 273, 294, 441, 546, 637, 819, 882, 1274, 1638, 1867, 1911, 3734, 3822, 5601, 5733, 11202, 11466, 13069, 16803, 24271, 26138, 33606, 39207, 48542, 72813, 78414, 91483, 117621, 145626, 169897, 182966, 218439, 235242, 274449, 339794, 436878, 509691, 548898, 823347, 1019382, 1189279, 1529073, 1646694, 2378558, 3058146, 3567837, 7135674, 10703511, 21407022]

約数ペア:

[(1, 21407022), (2, 10703511), (3, 7135674), (6, 3567837), (7, 3058146), (9, 2378558), (13, 1646694), (14, 1529073), (18, 1189279), (21, 1019382), (26, 823347), (39, 548898), (42, 509691), (49, 436878), (63, 339794), (78, 274449), (91, 235242), (98, 218439), (117, 182966), (126, 169897), (147, 145626), (182, 117621), (234, 91483), (273, 78414), (294, 72813), (441, 48542), (546, 39207), (637, 33606), (819, 26138), (882, 24271), (1274, 16803), (1638, 13069), (1867, 11466), (1911, 11202), (3734, 5733), (3822, 5601)]