21354084

素因数分解:

$2^2\times 3^3\times {\mathrm{149}}^1\times {\mathrm{1327}}^1$

素因数の和:1489

約数の個数: 48

約数和(自身を含む): 55776000

約数和(自身を除く): 34421916

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 149, 298, 447, 596, 894, 1327, 1341, 1788, 2654, 2682, 3981, 4023, 5308, 5364, 7962, 8046, 11943, 15924, 16092, 23886, 35829, 47772, 71658, 143316, 197723, 395446, 593169, 790892, 1186338, 1779507, 2372676, 3559014, 5338521, 7118028, 10677042, 21354084]

約数ペア:

[(1, 21354084), (2, 10677042), (3, 7118028), (4, 5338521), (6, 3559014), (9, 2372676), (12, 1779507), (18, 1186338), (27, 790892), (36, 593169), (54, 395446), (108, 197723), (149, 143316), (298, 71658), (447, 47772), (596, 35829), (894, 23886), (1327, 16092), (1341, 15924), (1788, 11943), (2654, 8046), (2682, 7962), (3981, 5364), (4023, 5308)]