21274242

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{67}}^1\times {\mathrm{283}}^1$

素因数の和:383

約数の個数: 64

約数和(自身を含む): 50056704

約数和(自身を除く): 28782462

約数列:

[1, 2, 3, 6, 11, 17, 22, 33, 34, 51, 66, 67, 102, 134, 187, 201, 283, 374, 402, 561, 566, 737, 849, 1122, 1139, 1474, 1698, 2211, 2278, 3113, 3417, 4422, 4811, 6226, 6834, 9339, 9622, 12529, 14433, 18678, 18961, 25058, 28866, 37587, 37922, 52921, 56883, 75174, 105842, 113766, 158763, 208571, 317526, 322337, 417142, 625713, 644674, 967011, 1251426, 1934022, 3545707, 7091414, 10637121, 21274242]

約数ペア:

[(1, 21274242), (2, 10637121), (3, 7091414), (6, 3545707), (11, 1934022), (17, 1251426), (22, 967011), (33, 644674), (34, 625713), (51, 417142), (66, 322337), (67, 317526), (102, 208571), (134, 158763), (187, 113766), (201, 105842), (283, 75174), (374, 56883), (402, 52921), (561, 37922), (566, 37587), (737, 28866), (849, 25058), (1122, 18961), (1139, 18678), (1474, 14433), (1698, 12529), (2211, 9622), (2278, 9339), (3113, 6834), (3417, 6226), (4422, 4811)]