2021899990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^2\times {\mathrm{9941}}^1$

素因数の和:10045

約数の個数: 48

約数和(自身を含む): 4065164496

約数和(自身を除く): 2043264506

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 473, 946, 1849, 2365, 3698, 4730, 9245, 9941, 18490, 19882, 20339, 40678, 49705, 99410, 101695, 109351, 203390, 218702, 427463, 546755, 854926, 1093510, 2137315, 4274630, 4702093, 9404186, 18380909, 23510465, 36761818, 47020930, 91904545, 183809090, 202189999, 404379998, 1010949995, 2021899990]

約数ペア:

[(1, 2021899990), (2, 1010949995), (5, 404379998), (10, 202189999), (11, 183809090), (22, 91904545), (43, 47020930), (55, 36761818), (86, 23510465), (110, 18380909), (215, 9404186), (430, 4702093), (473, 4274630), (946, 2137315), (1849, 1093510), (2365, 854926), (3698, 546755), (4730, 427463), (9245, 218702), (9941, 203390), (18490, 109351), (19882, 101695), (20339, 99410), (40678, 49705)]