21847527

素因数分解:

$3^2\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{47}}^1\times {\mathrm{137}}^1$

素因数の和:232

約数の個数: 48

約数和(自身を含む): 36167040

約数和(自身を除く): 14319513

約数列:

[1, 3, 9, 13, 29, 39, 47, 87, 117, 137, 141, 261, 377, 411, 423, 611, 1131, 1233, 1363, 1781, 1833, 3393, 3973, 4089, 5343, 5499, 6439, 11919, 12267, 16029, 17719, 19317, 35757, 51649, 53157, 57951, 83707, 154947, 159471, 186731, 251121, 464841, 560193, 753363, 1680579, 2427503, 7282509, 21847527]

約数ペア:

[(1, 21847527), (3, 7282509), (9, 2427503), (13, 1680579), (29, 753363), (39, 560193), (47, 464841), (87, 251121), (117, 186731), (137, 159471), (141, 154947), (261, 83707), (377, 57951), (411, 53157), (423, 51649), (611, 35757), (1131, 19317), (1233, 17719), (1363, 16029), (1781, 12267), (1833, 11919), (3393, 6439), (3973, 5499), (4089, 5343)]