21382016054

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{19421}}^1\times {\mathrm{4139}}^1$

素因数の和:23588

約数の個数: 32

約数和(自身を含む): 38595398400

約数和(自身を除く): 17213382346

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 4139, 8278, 19421, 28973, 38842, 57946, 78641, 135947, 157282, 271894, 368999, 550487, 737998, 1100974, 2582993, 5165986, 80383519, 160767038, 562684633, 1125369266, 1527286861, 3054573722, 10691008027, 21382016054]

約数ペア:

[(1, 21382016054), (2, 10691008027), (7, 3054573722), (14, 1527286861), (19, 1125369266), (38, 562684633), (133, 160767038), (266, 80383519), (4139, 5165986), (8278, 2582993), (19421, 1100974), (28973, 737998), (38842, 550487), (57946, 368999), (78641, 271894), (135947, 157282)]