21465584

素因数分解:

$2^4\times 7^1\times {\mathrm{191657}}^1$

素因数の和:191672

約数の個数: 20

約数和(自身を含む): 47531184

約数和(自身を除く): 26065600

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 56, 112, 191657, 383314, 766628, 1341599, 1533256, 2683198, 3066512, 5366396, 10732792, 21465584]

約数ペア:

[(1, 21465584), (2, 10732792), (4, 5366396), (7, 3066512), (8, 2683198), (14, 1533256), (16, 1341599), (28, 766628), (56, 383314), (112, 191657)]