21033493

素因数分解:

${\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{191}}^1\times {\mathrm{197}}^1$

素因数の和:444

約数の個数: 16

約数和(自身を含む): 23417856

約数和(自身を除く): 2384363

約数列:

[1, 13, 43, 191, 197, 559, 2483, 2561, 8213, 8471, 37627, 106769, 110123, 489151, 1617961, 21033493]

約数ペア:

[(1, 21033493), (13, 1617961), (43, 489151), (191, 110123), (197, 106769), (559, 37627), (2483, 8471), (2561, 8213)]