21784344

素因数分解:

$2^3\times 3^1\times {\mathrm{17}}^1\times {\mathrm{107}}^1\times {\mathrm{499}}^1$

素因数の和:632

約数の個数: 64

約数和(自身を含む): 58320000

約数和(自身を除く): 36535656

約数列:

[1, 2, 3, 4, 6, 8, 12, 17, 24, 34, 51, 68, 102, 107, 136, 204, 214, 321, 408, 428, 499, 642, 856, 998, 1284, 1497, 1819, 1996, 2568, 2994, 3638, 3992, 5457, 5988, 7276, 8483, 10914, 11976, 14552, 16966, 21828, 25449, 33932, 43656, 50898, 53393, 67864, 101796, 106786, 160179, 203592, 213572, 320358, 427144, 640716, 907681, 1281432, 1815362, 2723043, 3630724, 5446086, 7261448, 10892172, 21784344]

約数ペア:

[(1, 21784344), (2, 10892172), (3, 7261448), (4, 5446086), (6, 3630724), (8, 2723043), (12, 1815362), (17, 1281432), (24, 907681), (34, 640716), (51, 427144), (68, 320358), (102, 213572), (107, 203592), (136, 160179), (204, 106786), (214, 101796), (321, 67864), (408, 53393), (428, 50898), (499, 43656), (642, 33932), (856, 25449), (998, 21828), (1284, 16966), (1497, 14552), (1819, 11976), (1996, 10914), (2568, 8483), (2994, 7276), (3638, 5988), (3992, 5457)]