21238660

素因数分解:

$2^2\times 5^1\times {\mathrm{23}}^1\times {\mathrm{46171}}^1$

素因数の和:46203

約数の個数: 24

約数和(自身を含む): 46541376

約数和(自身を除く): 25302716

約数列:

[1, 2, 4, 5, 10, 20, 23, 46, 92, 115, 230, 460, 46171, 92342, 184684, 230855, 461710, 923420, 1061933, 2123866, 4247732, 5309665, 10619330, 21238660]

約数ペア:

[(1, 21238660), (2, 10619330), (4, 5309665), (5, 4247732), (10, 2123866), (20, 1061933), (23, 923420), (46, 461710), (92, 230855), (115, 184684), (230, 92342), (460, 46171)]