21574202

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{31}}^1\times {\mathrm{71}}^1$

素因数の和:159

約数の個数: 48

約数和(自身を含む): 37946880

約数和(自身を除く): 16372678

約数列:

[1, 2, 13, 26, 29, 31, 58, 62, 71, 142, 169, 338, 377, 403, 754, 806, 899, 923, 1798, 1846, 2059, 2201, 4118, 4402, 4901, 5239, 9802, 10478, 11687, 11999, 23374, 23998, 26767, 28613, 53534, 57226, 63829, 127658, 151931, 303862, 347971, 371969, 695942, 743938, 829777, 1659554, 10787101, 21574202]

約数ペア:

[(1, 21574202), (2, 10787101), (13, 1659554), (26, 829777), (29, 743938), (31, 695942), (58, 371969), (62, 347971), (71, 303862), (142, 151931), (169, 127658), (338, 63829), (377, 57226), (403, 53534), (754, 28613), (806, 26767), (899, 23998), (923, 23374), (1798, 11999), (1846, 11687), (2059, 10478), (2201, 9802), (4118, 5239), (4402, 4901)]