21199704

素因数分解:

$2^3\times 3^1\times {\mathrm{113}}^1\times {\mathrm{7817}}^1$

素因数の和:7939

約数の個数: 32

約数和(自身を含む): 53475120

約数和(自身を除く): 32275416

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 113, 226, 339, 452, 678, 904, 1356, 2712, 7817, 15634, 23451, 31268, 46902, 62536, 93804, 187608, 883321, 1766642, 2649963, 3533284, 5299926, 7066568, 10599852, 21199704]

約数ペア:

[(1, 21199704), (2, 10599852), (3, 7066568), (4, 5299926), (6, 3533284), (8, 2649963), (12, 1766642), (24, 883321), (113, 187608), (226, 93804), (339, 62536), (452, 46902), (678, 31268), (904, 23451), (1356, 15634), (2712, 7817)]