21000819858

素因数分解:

$2^1\times 3^1\times {\mathrm{29}}^1\times {\mathrm{83}}^1\times {\mathrm{1454149}}^1$

素因数の和:1454266

約数の個数: 32

約数和(自身を含む): 43973496000

約数和(自身を除く): 22972676142

約数列:

[1, 2, 3, 6, 29, 58, 83, 87, 166, 174, 249, 498, 2407, 4814, 7221, 14442, 1454149, 2908298, 4362447, 8724894, 42170321, 84340642, 120694367, 126510963, 241388734, 253021926, 362083101, 724166202, 3500136643, 7000273286, 10500409929, 21000819858]

約数ペア:

[(1, 21000819858), (2, 10500409929), (3, 7000273286), (6, 3500136643), (29, 724166202), (58, 362083101), (83, 253021926), (87, 241388734), (166, 126510963), (174, 120694367), (249, 84340642), (498, 42170321), (2407, 8724894), (4814, 4362447), (7221, 2908298), (14442, 1454149)]