21675535

素因数分解:

$5^1\times 7^1\times {\mathrm{331}}^1\times {\mathrm{1871}}^1$

素因数の和:2214

約数の個数: 16

約数和(自身を含む): 29832192

約数和(自身を除く): 8156657

約数列:

[1, 5, 7, 35, 331, 1655, 1871, 2317, 9355, 11585, 13097, 65485, 619301, 3096505, 4335107, 21675535]

約数ペア:

[(1, 21675535), (5, 4335107), (7, 3096505), (35, 619301), (331, 65485), (1655, 13097), (1871, 11585), (2317, 9355)]