21642149

素因数分解:

${\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{457}}^1$

素因数の和:580

約数の個数: 16

約数和(自身を含む): 23742720

約数和(自身を除く): 2100571

約数列:

[1, 23, 29, 71, 457, 667, 1633, 2059, 10511, 13253, 32447, 47357, 304819, 746281, 940963, 21642149]

約数ペア:

[(1, 21642149), (23, 940963), (29, 746281), (71, 304819), (457, 47357), (667, 32447), (1633, 13253), (2059, 10511)]