21866488

素因数分解:

$2^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{103}}^1\times {\mathrm{223}}^1$

素因数の和:356

約数の個数: 64

約数和(自身を含む): 50319360

約数和(自身を除く): 28452872

約数列:

[1, 2, 4, 7, 8, 14, 17, 28, 34, 56, 68, 103, 119, 136, 206, 223, 238, 412, 446, 476, 721, 824, 892, 952, 1442, 1561, 1751, 1784, 2884, 3122, 3502, 3791, 5768, 6244, 7004, 7582, 12257, 12488, 14008, 15164, 22969, 24514, 26537, 30328, 45938, 49028, 53074, 91876, 98056, 106148, 160783, 183752, 212296, 321566, 390473, 643132, 780946, 1286264, 1561892, 2733311, 3123784, 5466622, 10933244, 21866488]

約数ペア:

[(1, 21866488), (2, 10933244), (4, 5466622), (7, 3123784), (8, 2733311), (14, 1561892), (17, 1286264), (28, 780946), (34, 643132), (56, 390473), (68, 321566), (103, 212296), (119, 183752), (136, 160783), (206, 106148), (223, 98056), (238, 91876), (412, 53074), (446, 49028), (476, 45938), (721, 30328), (824, 26537), (892, 24514), (952, 22969), (1442, 15164), (1561, 14008), (1751, 12488), (1784, 12257), (2884, 7582), (3122, 7004), (3502, 6244), (3791, 5768)]