21169197

素因数分解:

$3^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{4603}}^1$

素因数の和:4689

約数の個数: 24

約数和(自身を含む): 35432384

約数和(自身を除く): 14263187

約数列:

[1, 3, 7, 9, 21, 63, 73, 219, 511, 657, 1533, 4599, 4603, 13809, 32221, 41427, 96663, 289989, 336019, 1008057, 2352133, 3024171, 7056399, 21169197]

約数ペア:

[(1, 21169197), (3, 7056399), (7, 3024171), (9, 2352133), (21, 1008057), (63, 336019), (73, 289989), (219, 96663), (511, 41427), (657, 32221), (1533, 13809), (4599, 4603)]