21282141

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{109}}^1\times {\mathrm{1759}}^1$

素因数の和:1908

約数の個数: 16

約数和(自身を含む): 29427200

約数和(自身を除く): 8145059

約数列:

[1, 3, 37, 109, 111, 327, 1759, 4033, 5277, 12099, 65083, 191731, 195249, 575193, 7094047, 21282141]

約数ペア:

[(1, 21282141), (3, 7094047), (37, 575193), (109, 195249), (111, 191731), (327, 65083), (1759, 12099), (4033, 5277)]