21207210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{706907}}^1$

素因数の和:706917

約数の個数: 16

約数和(自身を含む): 50897376

約数和(自身を除く): 29690166

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 706907, 1413814, 2120721, 3534535, 4241442, 7069070, 10603605, 21207210]

約数ペア:

[(1, 21207210), (2, 10603605), (3, 7069070), (5, 4241442), (6, 3534535), (10, 2120721), (15, 1413814), (30, 706907)]