21772387

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{67}}^1\times {\mathrm{3571}}^1$

素因数の和:3658

約数の個数: 16

約数和(自身を含む): 27204352

約数和(自身を除く): 5431965

約数列:

[1, 7, 13, 67, 91, 469, 871, 3571, 6097, 24997, 46423, 239257, 324961, 1674799, 3110341, 21772387]

約数ペア:

[(1, 21772387), (7, 3110341), (13, 1674799), (67, 324961), (91, 239257), (469, 46423), (871, 24997), (3571, 6097)]