21907653

素因数分解:

$3^1\times {\mathrm{41}}^1\times {\mathrm{277}}^1\times {\mathrm{643}}^1$

素因数の和:964

約数の個数: 16

約数和(自身を含む): 30077376

約数和(自身を除く): 8169723

約数列:

[1, 3, 41, 123, 277, 643, 831, 1929, 11357, 26363, 34071, 79089, 178111, 534333, 7302551, 21907653]

約数ペア:

[(1, 21907653), (3, 7302551), (41, 534333), (123, 178111), (277, 79089), (643, 34071), (831, 26363), (1929, 11357)]