21043929

素因数分解:

$3^1\times {\mathrm{73}}^1\times {\mathrm{307}}^1\times {\mathrm{313}}^1$

素因数の和:696

約数の個数: 16

約数和(自身を含む): 28626752

約数和(自身を除く): 7582823

約数列:

[1, 3, 73, 219, 307, 313, 921, 939, 22411, 22849, 67233, 68547, 96091, 288273, 7014643, 21043929]

約数ペア:

[(1, 21043929), (3, 7014643), (73, 288273), (219, 96091), (307, 68547), (313, 67233), (921, 22849), (939, 22411)]