21313149

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{49681}}^1$

素因数の和:49708

約数の個数: 16

約数和(自身を含む): 33386304

約数和(自身を除く): 12073155

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 49681, 149043, 546491, 645853, 1639473, 1937559, 7104383, 21313149]

約数ペア:

[(1, 21313149), (3, 7104383), (11, 1937559), (13, 1639473), (33, 645853), (39, 546491), (143, 149043), (429, 49681)]