21256128

素因数分解:

$2^6\times 3^3\times {\mathrm{12301}}^1$

素因数の和:12322

約数の個数: 56

約数和(自身を含む): 62494160

約数和(自身を除く): 41238032

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, 12301, 24602, 36903, 49204, 73806, 98408, 110709, 147612, 196816, 221418, 295224, 332127, 393632, 442836, 590448, 664254, 787264, 885672, 1180896, 1328508, 1771344, 2361792, 2657016, 3542688, 5314032, 7085376, 10628064, 21256128]

約数ペア:

[(1, 21256128), (2, 10628064), (3, 7085376), (4, 5314032), (6, 3542688), (8, 2657016), (9, 2361792), (12, 1771344), (16, 1328508), (18, 1180896), (24, 885672), (27, 787264), (32, 664254), (36, 590448), (48, 442836), (54, 393632), (64, 332127), (72, 295224), (96, 221418), (108, 196816), (144, 147612), (192, 110709), (216, 98408), (288, 73806), (432, 49204), (576, 36903), (864, 24602), (1728, 12301)]