21341043

素因数分解:

$3^3\times {\mathrm{83}}^1\times {\mathrm{89}}^1\times {\mathrm{107}}^1$

素因数の和:288

約数の個数: 32

約数和(自身を含む): 32659200

約数和(自身を除く): 11318157

約数列:

[1, 3, 9, 27, 83, 89, 107, 249, 267, 321, 747, 801, 963, 2241, 2403, 2889, 7387, 8881, 9523, 22161, 26643, 28569, 66483, 79929, 85707, 199449, 239787, 257121, 790409, 2371227, 7113681, 21341043]

約数ペア:

[(1, 21341043), (3, 7113681), (9, 2371227), (27, 790409), (83, 257121), (89, 239787), (107, 199449), (249, 85707), (267, 79929), (321, 66483), (747, 28569), (801, 26643), (963, 22161), (2241, 9523), (2403, 8881), (2889, 7387)]