21789984

素因数分解:

$2^5\times 3^1\times {\mathrm{353}}^1\times {\mathrm{643}}^1$

素因数の和:1009

約数の個数: 48

約数和(自身を含む): 57449952

約数和(自身を除く): 35659968

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 353, 643, 706, 1059, 1286, 1412, 1929, 2118, 2572, 2824, 3858, 4236, 5144, 5648, 7716, 8472, 10288, 11296, 15432, 16944, 20576, 30864, 33888, 61728, 226979, 453958, 680937, 907916, 1361874, 1815832, 2723748, 3631664, 5447496, 7263328, 10894992, 21789984]

約数ペア:

[(1, 21789984), (2, 10894992), (3, 7263328), (4, 5447496), (6, 3631664), (8, 2723748), (12, 1815832), (16, 1361874), (24, 907916), (32, 680937), (48, 453958), (96, 226979), (353, 61728), (643, 33888), (706, 30864), (1059, 20576), (1286, 16944), (1412, 15432), (1929, 11296), (2118, 10288), (2572, 8472), (2824, 7716), (3858, 5648), (4236, 5144)]