21293552

素因数分解:

$2^4\times 7^1\times {\mathrm{190121}}^1$

素因数の和:190136

約数の個数: 20

約数和(自身を含む): 47150256

約数和(自身を除く): 25856704

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 190121, 380242, 760484, 1330847, 1520968, 2661694, 3041936, 5323388, 10646776, 21293552]

約数ペア:

[(1, 21293552), (2, 10646776), (4, 5323388), (7, 3041936), (8, 2661694), (14, 1520968), (16, 1330847), (28, 760484), (56, 380242), (112, 190121)]