21451995

素因数分解:

$3^2\times 5^1\times {\mathrm{293}}^1\times {\mathrm{1627}}^1$

素因数の和:1931

約数の個数: 24

約数和(自身を含む): 37333296

約数和(自身を除く): 15881301

約数列:

[1, 3, 5, 9, 15, 45, 293, 879, 1465, 1627, 2637, 4395, 4881, 8135, 13185, 14643, 24405, 73215, 476711, 1430133, 2383555, 4290399, 7150665, 21451995]

約数ペア:

[(1, 21451995), (3, 7150665), (5, 4290399), (9, 2383555), (15, 1430133), (45, 476711), (293, 73215), (879, 24405), (1465, 14643), (1627, 13185), (2637, 8135), (4395, 4881)]