21825381

素因数分解:

$3^1\times {\mathrm{43}}^1\times {\mathrm{89}}^1\times {\mathrm{1901}}^1$

素因数の和:2036

約数の個数: 16

約数和(自身を含む): 30127680

約数和(自身を除く): 8302299

約数列:

[1, 3, 43, 89, 129, 267, 1901, 3827, 5703, 11481, 81743, 169189, 245229, 507567, 7275127, 21825381]

約数ペア:

[(1, 21825381), (3, 7275127), (43, 507567), (89, 245229), (129, 169189), (267, 81743), (1901, 11481), (3827, 5703)]