21211358

素因数分解:

$2^1\times 7^1\times {\mathrm{797}}^1\times {\mathrm{1901}}^1$

素因数の和:2707

約数の個数: 16

約数和(自身を含む): 36427104

約数和(自身を除く): 15215746

約数列:

[1, 2, 7, 14, 797, 1594, 1901, 3802, 5579, 11158, 13307, 26614, 1515097, 3030194, 10605679, 21211358]

約数ペア:

[(1, 21211358), (2, 10605679), (7, 3030194), (14, 1515097), (797, 26614), (1594, 13307), (1901, 11158), (3802, 5579)]