21455348

素因数分解:

$2^2\times {\mathrm{31}}^1\times {\mathrm{71}}^1\times {\mathrm{2437}}^1$

素因数の和:2543

約数の個数: 24

約数和(自身を含む): 39320064

約数和(自身を除く): 17864716

約数列:

[1, 2, 4, 31, 62, 71, 124, 142, 284, 2201, 2437, 4402, 4874, 8804, 9748, 75547, 151094, 173027, 302188, 346054, 692108, 5363837, 10727674, 21455348]

約数ペア:

[(1, 21455348), (2, 10727674), (4, 5363837), (31, 692108), (62, 346054), (71, 302188), (124, 173027), (142, 151094), (284, 75547), (2201, 9748), (2437, 8804), (4402, 4874)]