21205293

素因数分解:

$3^1\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{1093}}^1$

素因数の和:1348

約数の個数: 16

約数和(自身を含む): 29406720

約数和(自身を除く): 8201427

約数列:

[1, 3, 29, 87, 223, 669, 1093, 3279, 6467, 19401, 31697, 95091, 243739, 731217, 7068431, 21205293]

約数ペア:

[(1, 21205293), (3, 7068431), (29, 731217), (87, 243739), (223, 95091), (669, 31697), (1093, 19401), (3279, 6467)]