21371398

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{241}}^1\times {\mathrm{439}}^1$

素因数の和:783

約数の個数: 16

約数和(自身を含む): 32582880

約数和(自身を除く): 11211482

約数列:

[1, 2, 101, 202, 241, 439, 482, 878, 24341, 44339, 48682, 88678, 105799, 211598, 10685699, 21371398]

約数ペア:

[(1, 21371398), (2, 10685699), (101, 211598), (202, 105799), (241, 88678), (439, 48682), (482, 44339), (878, 24341)]