21047424

素因数分解:

$2^7\times 3^1\times {\mathrm{59}}^1\times {\mathrm{929}}^1$

素因数の和:1005

約数の個数: 64

約数和(自身を含む): 56916000

約数和(自身を除く): 35868576

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 59, 64, 96, 118, 128, 177, 192, 236, 354, 384, 472, 708, 929, 944, 1416, 1858, 1888, 2787, 2832, 3716, 3776, 5574, 5664, 7432, 7552, 11148, 11328, 14864, 22296, 22656, 29728, 44592, 54811, 59456, 89184, 109622, 118912, 164433, 178368, 219244, 328866, 356736, 438488, 657732, 876976, 1315464, 1753952, 2630928, 3507904, 5261856, 7015808, 10523712, 21047424]

約数ペア:

[(1, 21047424), (2, 10523712), (3, 7015808), (4, 5261856), (6, 3507904), (8, 2630928), (12, 1753952), (16, 1315464), (24, 876976), (32, 657732), (48, 438488), (59, 356736), (64, 328866), (96, 219244), (118, 178368), (128, 164433), (177, 118912), (192, 109622), (236, 89184), (354, 59456), (384, 54811), (472, 44592), (708, 29728), (929, 22656), (944, 22296), (1416, 14864), (1858, 11328), (1888, 11148), (2787, 7552), (2832, 7432), (3716, 5664), (3776, 5574)]