21579456

素因数分解:

$2^6\times 3^1\times {\mathrm{71}}^1\times {\mathrm{1583}}^1$

素因数の和:1669

約数の個数: 56

約数和(自身を含む): 57936384

約数和(自身を除く): 36356928

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 64, 71, 96, 142, 192, 213, 284, 426, 568, 852, 1136, 1583, 1704, 2272, 3166, 3408, 4544, 4749, 6332, 6816, 9498, 12664, 13632, 18996, 25328, 37992, 50656, 75984, 101312, 112393, 151968, 224786, 303936, 337179, 449572, 674358, 899144, 1348716, 1798288, 2697432, 3596576, 5394864, 7193152, 10789728, 21579456]

約数ペア:

[(1, 21579456), (2, 10789728), (3, 7193152), (4, 5394864), (6, 3596576), (8, 2697432), (12, 1798288), (16, 1348716), (24, 899144), (32, 674358), (48, 449572), (64, 337179), (71, 303936), (96, 224786), (142, 151968), (192, 112393), (213, 101312), (284, 75984), (426, 50656), (568, 37992), (852, 25328), (1136, 18996), (1583, 13632), (1704, 12664), (2272, 9498), (3166, 6816), (3408, 6332), (4544, 4749)]