21702276

素因数分解:

$2^2\times 3^3\times {\mathrm{37}}^1\times {\mathrm{5431}}^1$

素因数の和:5481

約数の個数: 48

約数和(自身を含む): 57796480

約数和(自身を除く): 36094204

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 37, 54, 74, 108, 111, 148, 222, 333, 444, 666, 999, 1332, 1998, 3996, 5431, 10862, 16293, 21724, 32586, 48879, 65172, 97758, 146637, 195516, 200947, 293274, 401894, 586548, 602841, 803788, 1205682, 1808523, 2411364, 3617046, 5425569, 7234092, 10851138, 21702276]

約数ペア:

[(1, 21702276), (2, 10851138), (3, 7234092), (4, 5425569), (6, 3617046), (9, 2411364), (12, 1808523), (18, 1205682), (27, 803788), (36, 602841), (37, 586548), (54, 401894), (74, 293274), (108, 200947), (111, 195516), (148, 146637), (222, 97758), (333, 65172), (444, 48879), (666, 32586), (999, 21724), (1332, 16293), (1998, 10862), (3996, 5431)]