21219494

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{101}}^1\times {\mathrm{1439}}^1$

素因数の和:1615

約数の個数: 16

約数和(自身を含む): 32607360

約数和(自身を除く): 11387866

約数列:

[1, 2, 73, 101, 146, 202, 1439, 2878, 7373, 14746, 105047, 145339, 210094, 290678, 10609747, 21219494]

約数ペア:

[(1, 21219494), (2, 10609747), (73, 290678), (101, 210094), (146, 145339), (202, 105047), (1439, 14746), (2878, 7373)]