21716288

素因数分解:

$2^6\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{283}}^1$

素因数の和:415

約数の個数: 56

約数和(自身を含む): 47609760

約数和(自身を除く): 25893472

約数列:

[1, 2, 4, 8, 11, 16, 22, 32, 44, 64, 88, 109, 176, 218, 283, 352, 436, 566, 704, 872, 1132, 1199, 1744, 2264, 2398, 3113, 3488, 4528, 4796, 6226, 6976, 9056, 9592, 12452, 18112, 19184, 24904, 30847, 38368, 49808, 61694, 76736, 99616, 123388, 199232, 246776, 339317, 493552, 678634, 987104, 1357268, 1974208, 2714536, 5429072, 10858144, 21716288]

約数ペア:

[(1, 21716288), (2, 10858144), (4, 5429072), (8, 2714536), (11, 1974208), (16, 1357268), (22, 987104), (32, 678634), (44, 493552), (64, 339317), (88, 246776), (109, 199232), (176, 123388), (218, 99616), (283, 76736), (352, 61694), (436, 49808), (566, 38368), (704, 30847), (872, 24904), (1132, 19184), (1199, 18112), (1744, 12452), (2264, 9592), (2398, 9056), (3113, 6976), (3488, 6226), (4528, 4796)]