21474638

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{367}}^1\times {\mathrm{1721}}^1$

素因数の和:2107

約数の個数: 16

約数和(自身を含む): 34219584

約数和(自身を除く): 12744946

約数列:

[1, 2, 17, 34, 367, 734, 1721, 3442, 6239, 12478, 29257, 58514, 631607, 1263214, 10737319, 21474638]

約数ペア:

[(1, 21474638), (2, 10737319), (17, 1263214), (34, 631607), (367, 58514), (734, 29257), (1721, 12478), (3442, 6239)]