21407184

素因数分解:

$2^4\times 3^2\times {\mathrm{47}}^1\times {\mathrm{3163}}^1$

素因数の和:3224

約数の個数: 60

約数和(自身を含む): 61204416

約数和(自身を除く): 39797232

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 47, 48, 72, 94, 141, 144, 188, 282, 376, 423, 564, 752, 846, 1128, 1692, 2256, 3163, 3384, 6326, 6768, 9489, 12652, 18978, 25304, 28467, 37956, 50608, 56934, 75912, 113868, 148661, 151824, 227736, 297322, 445983, 455472, 594644, 891966, 1189288, 1337949, 1783932, 2378576, 2675898, 3567864, 5351796, 7135728, 10703592, 21407184]

約数ペア:

[(1, 21407184), (2, 10703592), (3, 7135728), (4, 5351796), (6, 3567864), (8, 2675898), (9, 2378576), (12, 1783932), (16, 1337949), (18, 1189288), (24, 891966), (36, 594644), (47, 455472), (48, 445983), (72, 297322), (94, 227736), (141, 151824), (144, 148661), (188, 113868), (282, 75912), (376, 56934), (423, 50608), (564, 37956), (752, 28467), (846, 25304), (1128, 18978), (1692, 12652), (2256, 9489), (3163, 6768), (3384, 6326)]