21468672

素因数分解:

$2^9\times 3^3\times {\mathrm{1553}}^1$

素因数の和:1580

約数の個数: 80

約数和(自身を含む): 63589680

約数和(自身を除く): 42121008

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 27, 32, 36, 48, 54, 64, 72, 96, 108, 128, 144, 192, 216, 256, 288, 384, 432, 512, 576, 768, 864, 1152, 1536, 1553, 1728, 2304, 3106, 3456, 4608, 4659, 6212, 6912, 9318, 12424, 13824, 13977, 18636, 24848, 27954, 37272, 41931, 49696, 55908, 74544, 83862, 99392, 111816, 149088, 167724, 198784, 223632, 298176, 335448, 397568, 447264, 596352, 670896, 795136, 894528, 1192704, 1341792, 1789056, 2385408, 2683584, 3578112, 5367168, 7156224, 10734336, 21468672]

約数ペア:

[(1, 21468672), (2, 10734336), (3, 7156224), (4, 5367168), (6, 3578112), (8, 2683584), (9, 2385408), (12, 1789056), (16, 1341792), (18, 1192704), (24, 894528), (27, 795136), (32, 670896), (36, 596352), (48, 447264), (54, 397568), (64, 335448), (72, 298176), (96, 223632), (108, 198784), (128, 167724), (144, 149088), (192, 111816), (216, 99392), (256, 83862), (288, 74544), (384, 55908), (432, 49696), (512, 41931), (576, 37272), (768, 27954), (864, 24848), (1152, 18636), (1536, 13977), (1553, 13824), (1728, 12424), (2304, 9318), (3106, 6912), (3456, 6212), (4608, 4659)]