21877149

素因数分解:

$3^1\times 7^1\times {\mathrm{41}}^1\times {\mathrm{25409}}^1$

素因数の和:25460

約数の個数: 16

約数和(自身を含む): 34151040

約数和(自身を除く): 12273891

約数列:

[1, 3, 7, 21, 41, 123, 287, 861, 25409, 76227, 177863, 533589, 1041769, 3125307, 7292383, 21877149]

約数ペア:

[(1, 21877149), (3, 7292383), (7, 3125307), (21, 1041769), (41, 533589), (123, 177863), (287, 76227), (861, 25409)]