21136424

素因数分解:

$2^3\times {\mathrm{103}}^1\times {\mathrm{113}}^1\times {\mathrm{227}}^1$

素因数の和:449

約数の個数: 32

約数和(自身を含む): 40547520

約数和(自身を除く): 19411096

約数列:

[1, 2, 4, 8, 103, 113, 206, 226, 227, 412, 452, 454, 824, 904, 908, 1816, 11639, 23278, 23381, 25651, 46556, 46762, 51302, 93112, 93524, 102604, 187048, 205208, 2642053, 5284106, 10568212, 21136424]

約数ペア:

[(1, 21136424), (2, 10568212), (4, 5284106), (8, 2642053), (103, 205208), (113, 187048), (206, 102604), (226, 93524), (227, 93112), (412, 51302), (452, 46762), (454, 46556), (824, 25651), (904, 23381), (908, 23278), (1816, 11639)]