21840325865

素因数分解:

$5^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{1723}}^1$

素因数の和:1926

約数の個数: 64

約数和(自身を含む): 29492812800

約数和(自身を除く): 7652486935

約数列:

[1, 5, 19, 29, 43, 95, 107, 145, 215, 535, 551, 817, 1247, 1723, 2033, 2755, 3103, 4085, 4601, 6235, 8615, 10165, 15515, 23005, 23693, 32737, 49967, 58957, 74089, 87419, 118465, 133429, 163685, 184361, 249835, 294785, 370445, 437095, 667145, 921805, 949373, 1407691, 2148581, 2535151, 3502859, 4746865, 5346469, 7038455, 7927523, 10742905, 12675755, 17514295, 26732345, 39637615, 40823039, 101582911, 150622937, 204115195, 229898167, 507914555, 753114685, 1149490835, 4368065173, 21840325865]

約数ペア:

[(1, 21840325865), (5, 4368065173), (19, 1149490835), (29, 753114685), (43, 507914555), (95, 229898167), (107, 204115195), (145, 150622937), (215, 101582911), (535, 40823039), (551, 39637615), (817, 26732345), (1247, 17514295), (1723, 12675755), (2033, 10742905), (2755, 7927523), (3103, 7038455), (4085, 5346469), (4601, 4746865), (6235, 3502859), (8615, 2535151), (10165, 2148581), (15515, 1407691), (23005, 949373), (23693, 921805), (32737, 667145), (49967, 437095), (58957, 370445), (74089, 294785), (87419, 249835), (118465, 184361), (133429, 163685)]