21906862

素因数分解:

$2^1\times {\mathrm{73}}^1\times {\mathrm{227}}^1\times {\mathrm{661}}^1$

素因数の和:963

約数の個数: 16

約数和(自身を含む): 33507792

約数和(自身を除く): 11600930

約数列:

[1, 2, 73, 146, 227, 454, 661, 1322, 16571, 33142, 48253, 96506, 150047, 300094, 10953431, 21906862]

約数ペア:

[(1, 21906862), (2, 10953431), (73, 300094), (146, 150047), (227, 96506), (454, 48253), (661, 33142), (1322, 16571)]