21467589

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{163}}^1\times {\mathrm{307}}^1$

素因数の和:497

約数の個数: 32

約数和(自身を含む): 33944064

約数和(自身を除く): 12476475

約数列:

[1, 3, 11, 13, 33, 39, 143, 163, 307, 429, 489, 921, 1793, 2119, 3377, 3991, 5379, 6357, 10131, 11973, 23309, 43901, 50041, 69927, 131703, 150123, 550451, 650533, 1651353, 1951599, 7155863, 21467589]

約数ペア:

[(1, 21467589), (3, 7155863), (11, 1951599), (13, 1651353), (33, 650533), (39, 550451), (143, 150123), (163, 131703), (307, 69927), (429, 50041), (489, 43901), (921, 23309), (1793, 11973), (2119, 10131), (3377, 6357), (3991, 5379)]