21098504

素因数分解:

$2^3\times 7^1\times {\mathrm{376759}}^1$

素因数の和:376772

約数の個数: 16

約数和(自身を含む): 45211200

約数和(自身を除く): 24112696

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 376759, 753518, 1507036, 2637313, 3014072, 5274626, 10549252, 21098504]

約数ペア:

[(1, 21098504), (2, 10549252), (4, 5274626), (7, 3014072), (8, 2637313), (14, 1507036), (28, 753518), (56, 376759)]