21350035

素因数分解:

$5^1\times 7^3\times {\mathrm{59}}^1\times {\mathrm{211}}^1$

素因数の和:296

約数の個数: 32

約数和(自身を含む): 30528000

約数和(自身を除く): 9177965

約数列:

[1, 5, 7, 35, 49, 59, 211, 245, 295, 343, 413, 1055, 1477, 1715, 2065, 2891, 7385, 10339, 12449, 14455, 20237, 51695, 62245, 72373, 87143, 101185, 361865, 435715, 610001, 3050005, 4270007, 21350035]

約数ペア:

[(1, 21350035), (5, 4270007), (7, 3050005), (35, 610001), (49, 435715), (59, 361865), (211, 101185), (245, 87143), (295, 72373), (343, 62245), (413, 51695), (1055, 20237), (1477, 14455), (1715, 12449), (2065, 10339), (2891, 7385)]