21384642

素因数分解:

$2^1\times 3^1\times {\mathrm{1277}}^1\times {\mathrm{2791}}^1$

素因数の和:4073

約数の個数: 16

約数和(自身を含む): 42818112

約数和(自身を除く): 21433470

約数列:

[1, 2, 3, 6, 1277, 2554, 2791, 3831, 5582, 7662, 8373, 16746, 3564107, 7128214, 10692321, 21384642]

約数ペア:

[(1, 21384642), (2, 10692321), (3, 7128214), (6, 3564107), (1277, 16746), (2554, 8373), (2791, 7662), (3831, 5582)]