21207474

素因数分解:

$2^1\times 3^3\times {\mathrm{433}}^1\times {\mathrm{907}}^1$

素因数の和:1351

約数の個数: 32

約数和(自身を含む): 47288640

約数和(自身を除く): 26081166

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 433, 866, 907, 1299, 1814, 2598, 2721, 3897, 5442, 7794, 8163, 11691, 16326, 23382, 24489, 48978, 392731, 785462, 1178193, 2356386, 3534579, 7069158, 10603737, 21207474]

約数ペア:

[(1, 21207474), (2, 10603737), (3, 7069158), (6, 3534579), (9, 2356386), (18, 1178193), (27, 785462), (54, 392731), (433, 48978), (866, 24489), (907, 23382), (1299, 16326), (1814, 11691), (2598, 8163), (2721, 7794), (3897, 5442)]