21863938

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{23}}^1\times {\mathrm{73}}^1\times {\mathrm{383}}^1$

素因数の和:498

約数の個数: 32

約数和(自身を含む): 36827136

約数和(自身を除く): 14963198

約数列:

[1, 2, 17, 23, 34, 46, 73, 146, 383, 391, 766, 782, 1241, 1679, 2482, 3358, 6511, 8809, 13022, 17618, 27959, 28543, 55918, 57086, 149753, 299506, 475303, 643057, 950606, 1286114, 10931969, 21863938]

約数ペア:

[(1, 21863938), (2, 10931969), (17, 1286114), (23, 950606), (34, 643057), (46, 475303), (73, 299506), (146, 149753), (383, 57086), (391, 55918), (766, 28543), (782, 27959), (1241, 17618), (1679, 13022), (2482, 8809), (3358, 6511)]