21617434

素因数分解:

$2^1\times {\mathrm{101}}^1\times {\mathrm{103}}^1\times {\mathrm{1039}}^1$

素因数の和:1245

約数の個数: 16

約数和(自身を含む): 33096960

約数和(自身を除く): 11479526

約数列:

[1, 2, 101, 103, 202, 206, 1039, 2078, 10403, 20806, 104939, 107017, 209878, 214034, 10808717, 21617434]

約数ペア:

[(1, 21617434), (2, 10808717), (101, 214034), (103, 209878), (202, 107017), (206, 104939), (1039, 20806), (2078, 10403)]