21776474

素因数分解:

$2^1\times {\mathrm{67}}^1\times {\mathrm{163}}^1\times {\mathrm{997}}^1$

素因数の和:1229

約数の個数: 16

約数和(自身を含む): 33389088

約数和(自身を除く): 11612614

約数列:

[1, 2, 67, 134, 163, 326, 997, 1994, 10921, 21842, 66799, 133598, 162511, 325022, 10888237, 21776474]

約数ペア:

[(1, 21776474), (2, 10888237), (67, 325022), (134, 162511), (163, 133598), (326, 66799), (997, 21842), (1994, 10921)]