21831347

素因数分解:

${\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{67}}^1\times {\mathrm{457}}^1$

素因数の和:578

約数の個数: 16

約数和(自身を含む): 23918592

約数和(自身を除く): 2087245

約数列:

[1, 23, 31, 67, 457, 713, 1541, 2077, 10511, 14167, 30619, 47771, 325841, 704237, 949189, 21831347]

約数ペア:

[(1, 21831347), (23, 949189), (31, 704237), (67, 325841), (457, 47771), (713, 30619), (1541, 14167), (2077, 10511)]