21681402

素因数分解:

$2^1\times 3^1\times {\mathrm{1627}}^1\times {\mathrm{2221}}^1$

素因数の和:3853

約数の個数: 16

約数和(自身を含む): 43408992

約数和(自身を除く): 21727590

約数列:

[1, 2, 3, 6, 1627, 2221, 3254, 4442, 4881, 6663, 9762, 13326, 3613567, 7227134, 10840701, 21681402]

約数ペア:

[(1, 21681402), (2, 10840701), (3, 7227134), (6, 3613567), (1627, 13326), (2221, 9762), (3254, 6663), (4442, 4881)]