21261312

素因数分解:

$2^{10}\times 3^3\times {\mathrm{769}}^1$

素因数の和:798

約数の個数: 88

約数和(自身を含む): 63047600

約数和(自身を除く): 41786288

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, 769, 864, 1024, 1152, 1536, 1538, 1728, 2304, 2307, 3072, 3076, 3456, 4608, 4614, 6152, 6912, 6921, 9216, 9228, 12304, 13824, 13842, 18456, 20763, 24608, 27648, 27684, 36912, 41526, 49216, 55368, 73824, 83052, 98432, 110736, 147648, 166104, 196864, 221472, 295296, 332208, 393728, 442944, 590592, 664416, 787456, 885888, 1181184, 1328832, 1771776, 2362368, 2657664, 3543552, 5315328, 7087104, 10630656, 21261312]

約数ペア:

[(1, 21261312), (2, 10630656), (3, 7087104), (4, 5315328), (6, 3543552), (8, 2657664), (9, 2362368), (12, 1771776), (16, 1328832), (18, 1181184), (24, 885888), (27, 787456), (32, 664416), (36, 590592), (48, 442944), (54, 393728), (64, 332208), (72, 295296), (96, 221472), (108, 196864), (128, 166104), (144, 147648), (192, 110736), (216, 98432), (256, 83052), (288, 73824), (384, 55368), (432, 49216), (512, 41526), (576, 36912), (768, 27684), (769, 27648), (864, 24608), (1024, 20763), (1152, 18456), (1536, 13842), (1538, 13824), (1728, 12304), (2304, 9228), (2307, 9216), (3072, 6921), (3076, 6912), (3456, 6152), (4608, 4614)]