2147019

素因数分解:

$3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{5381}}^1$

素因数の和:5410

約数の個数: 16

約数和(自身を含む): 3444480

約数和(自身を除く): 1297461

約数列:

[1, 3, 7, 19, 21, 57, 133, 399, 5381, 16143, 37667, 102239, 113001, 306717, 715673, 2147019]

約数ペア:

[(1, 2147019), (3, 715673), (7, 306717), (19, 113001), (21, 102239), (57, 37667), (133, 16143), (399, 5381)]