21319035

素因数分解:

$3^1\times 5^1\times {\mathrm{907}}^1\times {\mathrm{1567}}^1$

素因数の和:2482

約数の個数: 16

約数和(自身を含む): 34169856

約数和(自身を除く): 12850821

約数列:

[1, 3, 5, 15, 907, 1567, 2721, 4535, 4701, 7835, 13605, 23505, 1421269, 4263807, 7106345, 21319035]

約数ペア:

[(1, 21319035), (3, 7106345), (5, 4263807), (15, 1421269), (907, 23505), (1567, 13605), (2721, 7835), (4535, 4701)]