21093776

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{119851}}^1$

素因数の和:119870

約数の個数: 20

約数和(自身を含む): 44584944

約数和(自身を除く): 23491168

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 119851, 239702, 479404, 958808, 1318361, 1917616, 2636722, 5273444, 10546888, 21093776]

約数ペア:

[(1, 21093776), (2, 10546888), (4, 5273444), (8, 2636722), (11, 1917616), (16, 1318361), (22, 958808), (44, 479404), (88, 239702), (176, 119851)]