21831873

素因数分解:

$3^1\times 7^1\times {\mathrm{191}}^1\times {\mathrm{5443}}^1$

素因数の和:5644

約数の個数: 16

約数和(自身を含む): 33447936

約数和(自身を除く): 11616063

約数列:

[1, 3, 7, 21, 191, 573, 1337, 4011, 5443, 16329, 38101, 114303, 1039613, 3118839, 7277291, 21831873]

約数ペア:

[(1, 21831873), (3, 7277291), (7, 3118839), (21, 1039613), (191, 114303), (573, 38101), (1337, 16329), (4011, 5443)]