21051996

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{250619}}^1$

素因数の和:250633

約数の個数: 24

約数和(自身を含む): 56138880

約数和(自身を除く): 35086884

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 250619, 501238, 751857, 1002476, 1503714, 1754333, 3007428, 3508666, 5262999, 7017332, 10525998, 21051996]

約数ペア:

[(1, 21051996), (2, 10525998), (3, 7017332), (4, 5262999), (6, 3508666), (7, 3007428), (12, 1754333), (14, 1503714), (21, 1002476), (28, 751857), (42, 501238), (84, 250619)]