21081295870

素因数分解:

$2^1\times 5^1\times {\mathrm{47}}^1\times {\mathrm{4583}}^1\times {\mathrm{9787}}^1$

素因数の和:14424

約数の個数: 32

約数和(自身を含む): 38766117888

約数和(自身を除く): 17684822018

約数列:

[1, 2, 5, 10, 47, 94, 235, 470, 4583, 9166, 9787, 19574, 22915, 45830, 48935, 97870, 215401, 430802, 459989, 919978, 1077005, 2154010, 2299945, 4599890, 44853821, 89707642, 224269105, 448538210, 2108129587, 4216259174, 10540647935, 21081295870]

約数ペア:

[(1, 21081295870), (2, 10540647935), (5, 4216259174), (10, 2108129587), (47, 448538210), (94, 224269105), (235, 89707642), (470, 44853821), (4583, 4599890), (9166, 2299945), (9787, 2154010), (19574, 1077005), (22915, 919978), (45830, 459989), (48935, 430802), (97870, 215401)]