21490410252

素因数分解:

$2^2\times 3^1\times {\mathrm{139}}^1\times {\mathrm{2953}}^1\times {\mathrm{4363}}^1$

素因数の和:7462

約数の個数: 48

約数和(自身を含む): 50533723520

約数和(自身を除く): 29043313268

約数列:

[1, 2, 3, 4, 6, 12, 139, 278, 417, 556, 834, 1668, 2953, 4363, 5906, 8726, 8859, 11812, 13089, 17452, 17718, 26178, 35436, 52356, 410467, 606457, 820934, 1212914, 1231401, 1641868, 1819371, 2425828, 2462802, 3638742, 4925604, 7277484, 12883939, 25767878, 38651817, 51535756, 77303634, 154607268, 1790867521, 3581735042, 5372602563, 7163470084, 10745205126, 21490410252]

約数ペア:

[(1, 21490410252), (2, 10745205126), (3, 7163470084), (4, 5372602563), (6, 3581735042), (12, 1790867521), (139, 154607268), (278, 77303634), (417, 51535756), (556, 38651817), (834, 25767878), (1668, 12883939), (2953, 7277484), (4363, 4925604), (5906, 3638742), (8726, 2462802), (8859, 2425828), (11812, 1819371), (13089, 1641868), (17452, 1231401), (17718, 1212914), (26178, 820934), (35436, 606457), (52356, 410467)]