21179334

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{320899}}^1$

素因数の和:320915

約数の個数: 16

約数和(自身を含む): 46209600

約数和(自身を除く): 25030266

約数列:

[1, 2, 3, 6, 11, 22, 33, 66, 320899, 641798, 962697, 1925394, 3529889, 7059778, 10589667, 21179334]

約数ペア:

[(1, 21179334), (2, 10589667), (3, 7059778), (6, 3529889), (11, 1925394), (22, 962697), (33, 641798), (66, 320899)]