21387122

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{33107}}^1$

素因数の和:33145

約数の個数: 16

約数和(自身を含む): 35756640

約数和(自身を除く): 14369518

約数列:

[1, 2, 17, 19, 34, 38, 323, 646, 33107, 66214, 562819, 629033, 1125638, 1258066, 10693561, 21387122]

約数ペア:

[(1, 21387122), (2, 10693561), (17, 1258066), (19, 1125638), (34, 629033), (38, 562819), (323, 66214), (646, 33107)]