2156860310

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{19607821}}^1$

素因数の和:19607839

約数の個数: 16

約数和(自身を含む): 4235289552

約数和(自身を除く): 2078429242

約数列:

[1, 2, 5, 10, 11, 22, 55, 110, 19607821, 39215642, 98039105, 196078210, 215686031, 431372062, 1078430155, 2156860310]

約数ペア:

[(1, 2156860310), (2, 1078430155), (5, 431372062), (10, 215686031), (11, 196078210), (22, 98039105), (55, 39215642), (110, 19607821)]