21011036229

素因数分解:

$3^4\times {\mathrm{103}}^1\times {\mathrm{271}}^1\times {\mathrm{9293}}^1$

素因数の和:9679

約数の個数: 40

約数和(自身を含む): 31811949312

約数和(自身を除く): 10800913083

約数列:

[1, 3, 9, 27, 81, 103, 271, 309, 813, 927, 2439, 2781, 7317, 8343, 9293, 21951, 27879, 27913, 83637, 83739, 250911, 251217, 752733, 753651, 957179, 2260953, 2518403, 2871537, 7555209, 8614611, 22665627, 25843833, 67996881, 77531499, 203990643, 259395509, 778186527, 2334559581, 7003678743, 21011036229]

約数ペア:

[(1, 21011036229), (3, 7003678743), (9, 2334559581), (27, 778186527), (81, 259395509), (103, 203990643), (271, 77531499), (309, 67996881), (813, 25843833), (927, 22665627), (2439, 8614611), (2781, 7555209), (7317, 2871537), (8343, 2518403), (9293, 2260953), (21951, 957179), (27879, 753651), (27913, 752733), (83637, 251217), (83739, 250911)]