2021013560

素因数分解:

$2^3\times 5^1\times {\mathrm{2399}}^1\times {\mathrm{21061}}^1$

素因数の和:23471

約数の個数: 32

約数和(自身を含む): 4549392000

約数和(自身を除く): 2528378440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 2399, 4798, 9596, 11995, 19192, 21061, 23990, 42122, 47980, 84244, 95960, 105305, 168488, 210610, 421220, 842440, 50525339, 101050678, 202101356, 252626695, 404202712, 505253390, 1010506780, 2021013560]

約数ペア:

[(1, 2021013560), (2, 1010506780), (4, 505253390), (5, 404202712), (8, 252626695), (10, 202101356), (20, 101050678), (40, 50525339), (2399, 842440), (4798, 421220), (9596, 210610), (11995, 168488), (19192, 105305), (21061, 95960), (23990, 84244), (42122, 47980)]