21084123

素因数分解:

$3^1\times {\mathrm{23}}^1\times {\mathrm{31}}^1\times {\mathrm{9857}}^1$

素因数の和:9914

約数の個数: 16

約数和(自身を含む): 30283776

約数和(自身を除く): 9199653

約数列:

[1, 3, 23, 31, 69, 93, 713, 2139, 9857, 29571, 226711, 305567, 680133, 916701, 7028041, 21084123]

約数ペア:

[(1, 21084123), (3, 7028041), (23, 916701), (31, 680133), (69, 305567), (93, 226711), (713, 29571), (2139, 9857)]