21846864

素因数分解:

$2^4\times 3^1\times {\mathrm{13}}^1\times {\mathrm{157}}^1\times {\mathrm{223}}^1$

素因数の和:404

約数の個数: 80

約数和(自身を含む): 61440512

約数和(自身を除く): 39593648

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 156, 157, 208, 223, 312, 314, 446, 471, 624, 628, 669, 892, 942, 1256, 1338, 1784, 1884, 2041, 2512, 2676, 2899, 3568, 3768, 4082, 5352, 5798, 6123, 7536, 8164, 8697, 10704, 11596, 12246, 16328, 17394, 23192, 24492, 32656, 34788, 35011, 46384, 48984, 69576, 70022, 97968, 105033, 139152, 140044, 210066, 280088, 420132, 455143, 560176, 840264, 910286, 1365429, 1680528, 1820572, 2730858, 3641144, 5461716, 7282288, 10923432, 21846864]

約数ペア:

[(1, 21846864), (2, 10923432), (3, 7282288), (4, 5461716), (6, 3641144), (8, 2730858), (12, 1820572), (13, 1680528), (16, 1365429), (24, 910286), (26, 840264), (39, 560176), (48, 455143), (52, 420132), (78, 280088), (104, 210066), (156, 140044), (157, 139152), (208, 105033), (223, 97968), (312, 70022), (314, 69576), (446, 48984), (471, 46384), (624, 35011), (628, 34788), (669, 32656), (892, 24492), (942, 23192), (1256, 17394), (1338, 16328), (1784, 12246), (1884, 11596), (2041, 10704), (2512, 8697), (2676, 8164), (2899, 7536), (3568, 6123), (3768, 5798), (4082, 5352)]