21777778

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{163}}^1\times {\mathrm{6073}}^1$

素因数の和:6249

約数の個数: 16

約数和(自身を含む): 35860896

約数和(自身を除く): 14083118

約数列:

[1, 2, 11, 22, 163, 326, 1793, 3586, 6073, 12146, 66803, 133606, 989899, 1979798, 10888889, 21777778]

約数ペア:

[(1, 21777778), (2, 10888889), (11, 1979798), (22, 989899), (163, 133606), (326, 66803), (1793, 12146), (3586, 6073)]