21067413

素因数分解:

$3^1\times {\mathrm{67}}^1\times {\mathrm{281}}^1\times {\mathrm{373}}^1$

素因数の和:724

約数の個数: 16

約数和(自身を含む): 28687296

約数和(自身を除く): 7619883

約数列:

[1, 3, 67, 201, 281, 373, 843, 1119, 18827, 24991, 56481, 74973, 104813, 314439, 7022471, 21067413]

約数ペア:

[(1, 21067413), (3, 7022471), (67, 314439), (201, 104813), (281, 74973), (373, 56481), (843, 24991), (1119, 18827)]