21708264

素因数分解:

$2^3\times 3^1\times {\mathrm{904511}}^1$

素因数の和:904520

約数の個数: 16

約数和(自身を含む): 54270720

約数和(自身を除く): 32562456

約数列:

[1, 2, 3, 4, 6, 8, 12, 24, 904511, 1809022, 2713533, 3618044, 5427066, 7236088, 10854132, 21708264]

約数ペア:

[(1, 21708264), (2, 10854132), (3, 7236088), (4, 5427066), (6, 3618044), (8, 2713533), (12, 1809022), (24, 904511)]