21403797

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{151}}^1\times {\mathrm{1277}}^1$

素因数の和:1468

約数の個数: 16

約数和(自身を含む): 29526912

約数和(自身を除く): 8123115

約数列:

[1, 3, 37, 111, 151, 453, 1277, 3831, 5587, 16761, 47249, 141747, 192827, 578481, 7134599, 21403797]

約数ペア:

[(1, 21403797), (3, 7134599), (37, 578481), (111, 192827), (151, 141747), (453, 47249), (1277, 16761), (3831, 5587)]