21083997

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{6203}}^1$

素因数の和:6320

約数の個数: 16

約数和(自身を含む): 30970368

約数和(自身を除く): 9886371

約数列:

[1, 3, 11, 33, 103, 309, 1133, 3399, 6203, 18609, 68233, 204699, 638909, 1916727, 7027999, 21083997]

約数ペア:

[(1, 21083997), (3, 7027999), (11, 1916727), (33, 638909), (103, 204699), (309, 68233), (1133, 18609), (3399, 6203)]