21705100

素因数分解:

$2^2\times 5^2\times {\mathrm{23}}^1\times {\mathrm{9437}}^1$

素因数の和:9474

約数の個数: 36

約数和(自身を含む): 49153104

約数和(自身を除く): 27448004

約数列:

[1, 2, 4, 5, 10, 20, 23, 25, 46, 50, 92, 100, 115, 230, 460, 575, 1150, 2300, 9437, 18874, 37748, 47185, 94370, 188740, 217051, 235925, 434102, 471850, 868204, 943700, 1085255, 2170510, 4341020, 5426275, 10852550, 21705100]

約数ペア:

[(1, 21705100), (2, 10852550), (4, 5426275), (5, 4341020), (10, 2170510), (20, 1085255), (23, 943700), (25, 868204), (46, 471850), (50, 434102), (92, 235925), (100, 217051), (115, 188740), (230, 94370), (460, 47185), (575, 37748), (1150, 18874), (2300, 9437)]