21619815287

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{113}}^1\times {\mathrm{1188359}}^1$

素因数の和:1188502

約数の個数: 16

約数和(自身を含む): 26010823680

約数和(自身を除く): 4391008393

約数列:

[1, 7, 23, 113, 161, 791, 2599, 18193, 1188359, 8318513, 27332257, 134284567, 191325799, 939991969, 3088545041, 21619815287]

約数ペア:

[(1, 21619815287), (7, 3088545041), (23, 939991969), (113, 191325799), (161, 134284567), (791, 27332257), (2599, 8318513), (18193, 1188359)]