21294122808

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{126750731}}^1$

素因数の和:126750747

約数の個数: 32

約数和(自身を含む): 60840351360

約数和(自身を除く): 39546228552

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, 126750731, 253501462, 380252193, 507002924, 760504386, 887255117, 1014005848, 1521008772, 1774510234, 2661765351, 3042017544, 3549020468, 5323530702, 7098040936, 10647061404, 21294122808]

約数ペア:

[(1, 21294122808), (2, 10647061404), (3, 7098040936), (4, 5323530702), (6, 3549020468), (7, 3042017544), (8, 2661765351), (12, 1774510234), (14, 1521008772), (21, 1014005848), (24, 887255117), (28, 760504386), (42, 507002924), (56, 380252193), (84, 253501462), (168, 126750731)]