21155208

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{2729}}^1$

素因数の和:2774

約数の個数: 64

約数和(自身を含む): 58968000

約数和(自身を除く): 37812792

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 19, 24, 34, 38, 51, 57, 68, 76, 102, 114, 136, 152, 204, 228, 323, 408, 456, 646, 969, 1292, 1938, 2584, 2729, 3876, 5458, 7752, 8187, 10916, 16374, 21832, 32748, 46393, 51851, 65496, 92786, 103702, 139179, 155553, 185572, 207404, 278358, 311106, 371144, 414808, 556716, 622212, 881467, 1113432, 1244424, 1762934, 2644401, 3525868, 5288802, 7051736, 10577604, 21155208]

約数ペア:

[(1, 21155208), (2, 10577604), (3, 7051736), (4, 5288802), (6, 3525868), (8, 2644401), (12, 1762934), (17, 1244424), (19, 1113432), (24, 881467), (34, 622212), (38, 556716), (51, 414808), (57, 371144), (68, 311106), (76, 278358), (102, 207404), (114, 185572), (136, 155553), (152, 139179), (204, 103702), (228, 92786), (323, 65496), (408, 51851), (456, 46393), (646, 32748), (969, 21832), (1292, 16374), (1938, 10916), (2584, 8187), (2729, 7752), (3876, 5458)]