21943957

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{3023}}^1$

素因数の和:3108

約数の個数: 16

約数和(自身を含む): 26998272

約数和(自身を除く): 5054315

約数列:

[1, 7, 17, 61, 119, 427, 1037, 3023, 7259, 21161, 51391, 184403, 359737, 1290821, 3134851, 21943957]

約数ペア:

[(1, 21943957), (7, 3134851), (17, 1290821), (61, 359737), (119, 184403), (427, 51391), (1037, 21161), (3023, 7259)]