21528378

素因数分解:

$2^1\times 3^2\times {\mathrm{193}}^1\times {\mathrm{6197}}^1$

素因数の和:6398

約数の個数: 24

約数和(自身を含む): 46894068

約数和(自身を除く): 25365690

約数列:

[1, 2, 3, 6, 9, 18, 193, 386, 579, 1158, 1737, 3474, 6197, 12394, 18591, 37182, 55773, 111546, 1196021, 2392042, 3588063, 7176126, 10764189, 21528378]

約数ペア:

[(1, 21528378), (2, 10764189), (3, 7176126), (6, 3588063), (9, 2392042), (18, 1196021), (193, 111546), (386, 55773), (579, 37182), (1158, 18591), (1737, 12394), (3474, 6197)]