21078624

素因数分解:

$2^5\times 3^1\times 7^2\times {\mathrm{4481}}^1$

素因数の和:4508

約数の個数: 72

約数和(自身を含む): 64379448

約数和(自身を除く): 43300824

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 49, 56, 84, 96, 98, 112, 147, 168, 196, 224, 294, 336, 392, 588, 672, 784, 1176, 1568, 2352, 4481, 4704, 8962, 13443, 17924, 26886, 31367, 35848, 53772, 62734, 71696, 94101, 107544, 125468, 143392, 188202, 215088, 219569, 250936, 376404, 430176, 439138, 501872, 658707, 752808, 878276, 1003744, 1317414, 1505616, 1756552, 2634828, 3011232, 3513104, 5269656, 7026208, 10539312, 21078624]

約数ペア:

[(1, 21078624), (2, 10539312), (3, 7026208), (4, 5269656), (6, 3513104), (7, 3011232), (8, 2634828), (12, 1756552), (14, 1505616), (16, 1317414), (21, 1003744), (24, 878276), (28, 752808), (32, 658707), (42, 501872), (48, 439138), (49, 430176), (56, 376404), (84, 250936), (96, 219569), (98, 215088), (112, 188202), (147, 143392), (168, 125468), (196, 107544), (224, 94101), (294, 71696), (336, 62734), (392, 53772), (588, 35848), (672, 31367), (784, 26886), (1176, 17924), (1568, 13443), (2352, 8962), (4481, 4704)]