21035904

素因数分解:

$2^7\times 3^1\times {\mathrm{29}}^1\times {\mathrm{1889}}^1$

素因数の和:1935

約数の個数: 64

約数和(自身を含む): 57834000

約数和(自身を除く): 36798096

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 32, 48, 58, 64, 87, 96, 116, 128, 174, 192, 232, 348, 384, 464, 696, 928, 1392, 1856, 1889, 2784, 3712, 3778, 5568, 5667, 7556, 11136, 11334, 15112, 22668, 30224, 45336, 54781, 60448, 90672, 109562, 120896, 164343, 181344, 219124, 241792, 328686, 362688, 438248, 657372, 725376, 876496, 1314744, 1752992, 2629488, 3505984, 5258976, 7011968, 10517952, 21035904]

約数ペア:

[(1, 21035904), (2, 10517952), (3, 7011968), (4, 5258976), (6, 3505984), (8, 2629488), (12, 1752992), (16, 1314744), (24, 876496), (29, 725376), (32, 657372), (48, 438248), (58, 362688), (64, 328686), (87, 241792), (96, 219124), (116, 181344), (128, 164343), (174, 120896), (192, 109562), (232, 90672), (348, 60448), (384, 54781), (464, 45336), (696, 30224), (928, 22668), (1392, 15112), (1856, 11334), (1889, 11136), (2784, 7556), (3712, 5667), (3778, 5568)]