21495848

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{137}}^1\times {\mathrm{1783}}^1$

素因数の和:1937

約数の個数: 32

約数和(自身を含む): 44314560

約数和(自身を除く): 22818712

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 137, 274, 548, 1096, 1507, 1783, 3014, 3566, 6028, 7132, 12056, 14264, 19613, 39226, 78452, 156904, 244271, 488542, 977084, 1954168, 2686981, 5373962, 10747924, 21495848]

約数ペア:

[(1, 21495848), (2, 10747924), (4, 5373962), (8, 2686981), (11, 1954168), (22, 977084), (44, 488542), (88, 244271), (137, 156904), (274, 78452), (548, 39226), (1096, 19613), (1507, 14264), (1783, 12056), (3014, 7132), (3566, 6028)]