21477381121

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{1188763}}^1$

素因数の和:1188888

約数の個数: 16

約数和(自身を含む): 25677302400

約数和(自身を除く): 4199921279

約数列:

[1, 7, 29, 89, 203, 623, 2581, 18067, 1188763, 8321341, 34474127, 105799907, 241318889, 740599349, 3068197303, 21477381121]

約数ペア:

[(1, 21477381121), (7, 3068197303), (29, 740599349), (89, 241318889), (203, 105799907), (623, 34474127), (2581, 8321341), (18067, 1188763)]