21992635

素因数分解:

$5^1\times 7^1\times {\mathrm{61}}^1\times {\mathrm{10301}}^1$

素因数の和:10374

約数の個数: 16

約数和(自身を含む): 30658752

約数和(自身を除く): 8666117

約数列:

[1, 5, 7, 35, 61, 305, 427, 2135, 10301, 51505, 72107, 360535, 628361, 3141805, 4398527, 21992635]

約数ペア:

[(1, 21992635), (5, 4398527), (7, 3141805), (35, 628361), (61, 360535), (305, 72107), (427, 51505), (2135, 10301)]