21735385

素因数分解:

$5^1\times 7^1\times {\mathrm{47}}^1\times {\mathrm{73}}^1\times {\mathrm{181}}^1$

素因数の和:313

約数の個数: 32

約数和(自身を含む): 31030272

約数和(自身を除く): 9294887

約数列:

[1, 5, 7, 35, 47, 73, 181, 235, 329, 365, 511, 905, 1267, 1645, 2555, 3431, 6335, 8507, 13213, 17155, 24017, 42535, 59549, 66065, 92491, 120085, 297745, 462455, 621011, 3105055, 4347077, 21735385]

約数ペア:

[(1, 21735385), (5, 4347077), (7, 3105055), (35, 621011), (47, 462455), (73, 297745), (181, 120085), (235, 92491), (329, 66065), (365, 59549), (511, 42535), (905, 24017), (1267, 17155), (1645, 13213), (2555, 8507), (3431, 6335)]