21189984

素因数分解:

$2^5\times 3^1\times {\mathrm{103}}^1\times {\mathrm{2143}}^1$

素因数の和:2259

約数の個数: 48

約数和(自身を含む): 56189952

約数和(自身を除く): 34999968

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 103, 206, 309, 412, 618, 824, 1236, 1648, 2143, 2472, 3296, 4286, 4944, 6429, 8572, 9888, 12858, 17144, 25716, 34288, 51432, 68576, 102864, 205728, 220729, 441458, 662187, 882916, 1324374, 1765832, 2648748, 3531664, 5297496, 7063328, 10594992, 21189984]

約数ペア:

[(1, 21189984), (2, 10594992), (3, 7063328), (4, 5297496), (6, 3531664), (8, 2648748), (12, 1765832), (16, 1324374), (24, 882916), (32, 662187), (48, 441458), (96, 220729), (103, 205728), (206, 102864), (309, 68576), (412, 51432), (618, 34288), (824, 25716), (1236, 17144), (1648, 12858), (2143, 9888), (2472, 8572), (3296, 6429), (4286, 4944)]