21125552

素因数分解:

$2^4\times 7^1\times {\mathrm{188621}}^1$

素因数の和:188636

約数の個数: 20

約数和(自身を含む): 46778256

約数和(自身を除く): 25652704

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 188621, 377242, 754484, 1320347, 1508968, 2640694, 3017936, 5281388, 10562776, 21125552]

約数ペア:

[(1, 21125552), (2, 10562776), (4, 5281388), (7, 3017936), (8, 2640694), (14, 1508968), (16, 1320347), (28, 754484), (56, 377242), (112, 188621)]