21748340

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{47279}}^1$

素因数の和:47311

約数の個数: 24

約数和(自身を含む): 47658240

約数和(自身を除く): 25909900

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 47279, 94558, 189116, 236395, 472790, 945580, 1087417, 2174834, 4349668, 5437085, 10874170, 21748340]

約数ペア:

[(1, 21748340), (2, 10874170), (4, 5437085), (5, 4349668), (10, 2174834), (20, 1087417), (23, 945580), (46, 472790), (92, 236395), (115, 189116), (230, 94558), (460, 47279)]