21128256

素因数分解:

$2^6\times 3^3\times {\mathrm{12227}}^1$

素因数の和:12248

約数の個数: 56

約数和(自身を含む): 62118240

約数和(自身を除く): 40989984

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 144, 192, 216, 288, 432, 576, 864, 1728, 12227, 24454, 36681, 48908, 73362, 97816, 110043, 146724, 195632, 220086, 293448, 330129, 391264, 440172, 586896, 660258, 782528, 880344, 1173792, 1320516, 1760688, 2347584, 2641032, 3521376, 5282064, 7042752, 10564128, 21128256]

約数ペア:

[(1, 21128256), (2, 10564128), (3, 7042752), (4, 5282064), (6, 3521376), (8, 2641032), (9, 2347584), (12, 1760688), (16, 1320516), (18, 1173792), (24, 880344), (27, 782528), (32, 660258), (36, 586896), (48, 440172), (54, 391264), (64, 330129), (72, 293448), (96, 220086), (108, 195632), (144, 146724), (192, 110043), (216, 97816), (288, 73362), (432, 48908), (576, 36681), (864, 24454), (1728, 12227)]