21308633

素因数分解:

${\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{37}}^1\times {\mathrm{1783}}^1$

素因数の和:1856

約数の個数: 16

約数和(自身を含む): 24405120

約数和(自身を除く): 3096487

約数列:

[1, 17, 19, 37, 323, 629, 703, 1783, 11951, 30311, 33877, 65971, 575909, 1121507, 1253449, 21308633]

約数ペア:

[(1, 21308633), (17, 1253449), (19, 1121507), (37, 575909), (323, 65971), (629, 33877), (703, 30311), (1783, 11951)]