21215416321

素因数分解:

${\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{251}}^1\times {\mathrm{404419}}^1$

素因数の和:404700

約数の個数: 16

約数和(自身を含む): 24459321600

約数和(自身を除く): 3243905279

約数列:

[1, 11, 19, 209, 251, 2761, 4769, 52459, 404419, 4448609, 7683961, 84523571, 101509169, 1116600859, 1928674211, 21215416321]

約数ペア:

[(1, 21215416321), (11, 1928674211), (19, 1116600859), (209, 101509169), (251, 84523571), (2761, 7683961), (4769, 4448609), (52459, 404419)]