21014468

素因数分解:

$2^2\times {\mathrm{41}}^1\times {\mathrm{97}}^1\times {\mathrm{1321}}^1$

素因数の和:1463

約数の個数: 24

約数和(自身を含む): 38089464

約数和(自身を除く): 17074996

約数列:

[1, 2, 4, 41, 82, 97, 164, 194, 388, 1321, 2642, 3977, 5284, 7954, 15908, 54161, 108322, 128137, 216644, 256274, 512548, 5253617, 10507234, 21014468]

約数ペア:

[(1, 21014468), (2, 10507234), (4, 5253617), (41, 512548), (82, 256274), (97, 216644), (164, 128137), (194, 108322), (388, 54161), (1321, 15908), (2642, 7954), (3977, 5284)]