21443383

素因数分解:

${\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{2473}}^1$

素因数の和:2538

約数の個数: 16

約数和(自身を含む): 24937920

約数和(自身を除く): 3494537

約数列:

[1, 13, 23, 29, 299, 377, 667, 2473, 8671, 32149, 56879, 71717, 739427, 932321, 1649491, 21443383]

約数ペア:

[(1, 21443383), (13, 1649491), (23, 932321), (29, 739427), (299, 71717), (377, 56879), (667, 32149), (2473, 8671)]