21001906

素因数分解:

$2^1\times {\mathrm{103}}^1\times {\mathrm{269}}^1\times {\mathrm{379}}^1$

素因数の和:753

約数の個数: 16

約数和(自身を含む): 32011200

約数和(自身を除く): 11009294

約数列:

[1, 2, 103, 206, 269, 379, 538, 758, 27707, 39037, 55414, 78074, 101951, 203902, 10500953, 21001906]

約数ペア:

[(1, 21001906), (2, 10500953), (103, 203902), (206, 101951), (269, 78074), (379, 55414), (538, 39037), (758, 27707)]