21944181

素因数分解:

$3^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{5471}}^1$

素因数の和:5672

約数の個数: 16

約数和(自身を含む): 33619968

約数和(自身を除く): 11675787

約数列:

[1, 3, 7, 21, 191, 573, 1337, 4011, 5471, 16413, 38297, 114891, 1044961, 3134883, 7314727, 21944181]

約数ペア:

[(1, 21944181), (3, 7314727), (7, 3134883), (21, 1044961), (191, 114891), (573, 38297), (1337, 16413), (4011, 5471)]