21611744

素因数分解:

$2^5\times 7^3\times {\mathrm{11}}^1\times {\mathrm{179}}^1$

素因数の和:221

約数の個数: 96

約数和(自身を含む): 54432000

約数和(自身を除く): 32820256

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 49, 56, 77, 88, 98, 112, 154, 176, 179, 196, 224, 308, 343, 352, 358, 392, 539, 616, 686, 716, 784, 1078, 1232, 1253, 1372, 1432, 1568, 1969, 2156, 2464, 2506, 2744, 2864, 3773, 3938, 4312, 5012, 5488, 5728, 7546, 7876, 8624, 8771, 10024, 10976, 13783, 15092, 15752, 17248, 17542, 20048, 27566, 30184, 31504, 35084, 40096, 55132, 60368, 61397, 63008, 70168, 96481, 110264, 120736, 122794, 140336, 192962, 220528, 245588, 280672, 385924, 441056, 491176, 675367, 771848, 982352, 1350734, 1543696, 1964704, 2701468, 3087392, 5402936, 10805872, 21611744]

約数ペア:

[(1, 21611744), (2, 10805872), (4, 5402936), (7, 3087392), (8, 2701468), (11, 1964704), (14, 1543696), (16, 1350734), (22, 982352), (28, 771848), (32, 675367), (44, 491176), (49, 441056), (56, 385924), (77, 280672), (88, 245588), (98, 220528), (112, 192962), (154, 140336), (176, 122794), (179, 120736), (196, 110264), (224, 96481), (308, 70168), (343, 63008), (352, 61397), (358, 60368), (392, 55132), (539, 40096), (616, 35084), (686, 31504), (716, 30184), (784, 27566), (1078, 20048), (1232, 17542), (1253, 17248), (1372, 15752), (1432, 15092), (1568, 13783), (1969, 10976), (2156, 10024), (2464, 8771), (2506, 8624), (2744, 7876), (2864, 7546), (3773, 5728), (3938, 5488), (4312, 5012)]