21407712

素因数分解:

$2^5\times 3^1\times {\mathrm{173}}^1\times {\mathrm{1289}}^1$

素因数の和:1475

約数の個数: 48

約数和(自身を含む): 56563920

約数和(自身を除く): 35156208

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 173, 346, 519, 692, 1038, 1289, 1384, 2076, 2578, 2768, 3867, 4152, 5156, 5536, 7734, 8304, 10312, 15468, 16608, 20624, 30936, 41248, 61872, 123744, 222997, 445994, 668991, 891988, 1337982, 1783976, 2675964, 3567952, 5351928, 7135904, 10703856, 21407712]

約数ペア:

[(1, 21407712), (2, 10703856), (3, 7135904), (4, 5351928), (6, 3567952), (8, 2675964), (12, 1783976), (16, 1337982), (24, 891988), (32, 668991), (48, 445994), (96, 222997), (173, 123744), (346, 61872), (519, 41248), (692, 30936), (1038, 20624), (1289, 16608), (1384, 15468), (2076, 10312), (2578, 8304), (2768, 7734), (3867, 5536), (4152, 5156)]