21292641

素因数分解:

$3^2\times {\mathrm{23}}^1\times {\mathrm{29}}^1\times {\mathrm{3547}}^1$

素因数の和:3605

約数の個数: 24

約数和(自身を含む): 33209280

約数和(自身を除く): 11916639

約数列:

[1, 3, 9, 23, 29, 69, 87, 207, 261, 667, 2001, 3547, 6003, 10641, 31923, 81581, 102863, 244743, 308589, 734229, 925767, 2365849, 7097547, 21292641]

約数ペア:

[(1, 21292641), (3, 7097547), (9, 2365849), (23, 925767), (29, 734229), (69, 308589), (87, 244743), (207, 102863), (261, 81581), (667, 31923), (2001, 10641), (3547, 6003)]