21338944

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{1783}}^1$

素因数の和:1823

約数の個数: 56

約数和(自身を含む): 48938688

約数和(自身を除く): 27599744

約数列:

[1, 2, 4, 8, 11, 16, 17, 22, 32, 34, 44, 64, 68, 88, 136, 176, 187, 272, 352, 374, 544, 704, 748, 1088, 1496, 1783, 2992, 3566, 5984, 7132, 11968, 14264, 19613, 28528, 30311, 39226, 57056, 60622, 78452, 114112, 121244, 156904, 242488, 313808, 333421, 484976, 627616, 666842, 969952, 1255232, 1333684, 1939904, 2667368, 5334736, 10669472, 21338944]

約数ペア:

[(1, 21338944), (2, 10669472), (4, 5334736), (8, 2667368), (11, 1939904), (16, 1333684), (17, 1255232), (22, 969952), (32, 666842), (34, 627616), (44, 484976), (64, 333421), (68, 313808), (88, 242488), (136, 156904), (176, 121244), (187, 114112), (272, 78452), (352, 60622), (374, 57056), (544, 39226), (704, 30311), (748, 28528), (1088, 19613), (1496, 14264), (1783, 11968), (2992, 7132), (3566, 5984)]