21572474

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{127}}^1\times {\mathrm{1103}}^1$

素因数の和:1250

約数の個数: 32

約数和(自身を含む): 40697856

約数和(自身を除く): 19125382

約数列:

[1, 2, 7, 11, 14, 22, 77, 127, 154, 254, 889, 1103, 1397, 1778, 2206, 2794, 7721, 9779, 12133, 15442, 19558, 24266, 84931, 140081, 169862, 280162, 980567, 1540891, 1961134, 3081782, 10786237, 21572474]

約数ペア:

[(1, 21572474), (2, 10786237), (7, 3081782), (11, 1961134), (14, 1540891), (22, 980567), (77, 280162), (127, 169862), (154, 140081), (254, 84931), (889, 24266), (1103, 19558), (1397, 15442), (1778, 12133), (2206, 9779), (2794, 7721)]