21985881

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{41}}^1\times {\mathrm{4831}}^1$

素因数の和:4912

約数の個数: 16

約数和(自身を含む): 30847488

約数和(自身を除く): 8861607

約数列:

[1, 3, 37, 41, 111, 123, 1517, 4551, 4831, 14493, 178747, 198071, 536241, 594213, 7328627, 21985881]

約数ペア:

[(1, 21985881), (3, 7328627), (37, 594213), (41, 536241), (111, 198071), (123, 178747), (1517, 14493), (4551, 4831)]