21238933

素因数分解:

${\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{67}}^1\times {\mathrm{643}}^1$

素因数の和:756

約数の個数: 16

約数和(自身を含む): 23647680

約数和(自身を除く): 2408747

約数列:

[1, 17, 29, 67, 493, 643, 1139, 1943, 10931, 18647, 33031, 43081, 316999, 732377, 1249349, 21238933]

約数ペア:

[(1, 21238933), (17, 1249349), (29, 732377), (67, 316999), (493, 43081), (643, 33031), (1139, 18647), (1943, 10931)]