21383868

素因数分解:

$2^2\times 3^1\times {\mathrm{11}}^1\times {\mathrm{161999}}^1$

素因数の和:162017

約数の個数: 24

約数和(自身を含む): 54432000

約数和(自身を除く): 33048132

約数列:

[1, 2, 3, 4, 6, 11, 12, 22, 33, 44, 66, 132, 161999, 323998, 485997, 647996, 971994, 1781989, 1943988, 3563978, 5345967, 7127956, 10691934, 21383868]

約数ペア:

[(1, 21383868), (2, 10691934), (3, 7127956), (4, 5345967), (6, 3563978), (11, 1943988), (12, 1781989), (22, 971994), (33, 647996), (44, 485997), (66, 323998), (132, 161999)]