21074463

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{1669}}^1$

素因数の和:1759

約数の個数: 24

約数和(自身を含む): 32304480

約数和(自身を除く): 11230017

約数列:

[1, 3, 9, 23, 61, 69, 183, 207, 549, 1403, 1669, 4209, 5007, 12627, 15021, 38387, 101809, 115161, 305427, 345483, 916281, 2341607, 7024821, 21074463]

約数ペア:

[(1, 21074463), (3, 7024821), (9, 2341607), (23, 916281), (61, 345483), (69, 305427), (183, 115161), (207, 101809), (549, 38387), (1403, 15021), (1669, 12627), (4209, 5007)]