21091584

素因数分解:

$2^8\times 3^1\times {\mathrm{29}}^1\times {\mathrm{947}}^1$

素因数の和:995

約数の個数: 72

約数和(自身を含む): 58131360

約数和(自身を除く): 37039776

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 29, 32, 48, 58, 64, 87, 96, 116, 128, 174, 192, 232, 256, 348, 384, 464, 696, 768, 928, 947, 1392, 1856, 1894, 2784, 2841, 3712, 3788, 5568, 5682, 7424, 7576, 11136, 11364, 15152, 22272, 22728, 27463, 30304, 45456, 54926, 60608, 82389, 90912, 109852, 121216, 164778, 181824, 219704, 242432, 329556, 363648, 439408, 659112, 727296, 878816, 1318224, 1757632, 2636448, 3515264, 5272896, 7030528, 10545792, 21091584]

約数ペア:

[(1, 21091584), (2, 10545792), (3, 7030528), (4, 5272896), (6, 3515264), (8, 2636448), (12, 1757632), (16, 1318224), (24, 878816), (29, 727296), (32, 659112), (48, 439408), (58, 363648), (64, 329556), (87, 242432), (96, 219704), (116, 181824), (128, 164778), (174, 121216), (192, 109852), (232, 90912), (256, 82389), (348, 60608), (384, 54926), (464, 45456), (696, 30304), (768, 27463), (928, 22728), (947, 22272), (1392, 15152), (1856, 11364), (1894, 11136), (2784, 7576), (2841, 7424), (3712, 5682), (3788, 5568)]