21241290056

素因数分解:

$2^3\times 7^1\times {\mathrm{379308751}}^1$

素因数の和:379308764

約数の個数: 16

約数和(自身を含む): 45517050240

約数和(自身を除く): 24275760184

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 379308751, 758617502, 1517235004, 2655161257, 3034470008, 5310322514, 10620645028, 21241290056]

約数ペア:

[(1, 21241290056), (2, 10620645028), (4, 5310322514), (7, 3034470008), (8, 2655161257), (14, 1517235004), (28, 758617502), (56, 379308751)]