21288340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{46279}}^1$

素因数の和:46311

約数の個数: 24

約数和(自身を含む): 46650240

約数和(自身を除く): 25361900

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 46279, 92558, 185116, 231395, 462790, 925580, 1064417, 2128834, 4257668, 5322085, 10644170, 21288340]

約数ペア:

[(1, 21288340), (2, 10644170), (4, 5322085), (5, 4257668), (10, 2128834), (20, 1064417), (23, 925580), (46, 462790), (92, 231395), (115, 185116), (230, 92558), (460, 46279)]