21154540

素因数分解:

$2^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{96157}}^1$

素因数の和:96177

約数の個数: 24

約数和(自身を含む): 48463632

約数和(自身を除く): 27309092

約数列:

[1, 2, 4, 5, 10, 11, 20, 22, 44, 55, 110, 220, 96157, 192314, 384628, 480785, 961570, 1057727, 1923140, 2115454, 4230908, 5288635, 10577270, 21154540]

約数ペア:

[(1, 21154540), (2, 10577270), (4, 5288635), (5, 4230908), (10, 2115454), (11, 1923140), (20, 1057727), (22, 961570), (44, 480785), (55, 384628), (110, 192314), (220, 96157)]