21541269

素因数分解:

$3^1\times {\mathrm{19}}^1\times {\mathrm{307}}^1\times {\mathrm{1231}}^1$

素因数の和:1560

約数の個数: 16

約数和(自身を含む): 30356480

約数和(自身を除く): 8815211

約数列:

[1, 3, 19, 57, 307, 921, 1231, 3693, 5833, 17499, 23389, 70167, 377917, 1133751, 7180423, 21541269]

約数ペア:

[(1, 21541269), (3, 7180423), (19, 1133751), (57, 377917), (307, 70167), (921, 23389), (1231, 17499), (3693, 5833)]