21749122

素因数分解:

$2^1\times {\mathrm{23}}^1\times {\mathrm{431}}^1\times {\mathrm{1097}}^1$

素因数の和:1553

約数の個数: 16

約数和(自身を含む): 34152192

約数和(自身を除く): 12403070

約数列:

[1, 2, 23, 46, 431, 862, 1097, 2194, 9913, 19826, 25231, 50462, 472807, 945614, 10874561, 21749122]

約数ペア:

[(1, 21749122), (2, 10874561), (23, 945614), (46, 472807), (431, 50462), (862, 25231), (1097, 19826), (2194, 9913)]