21508896

素因数分解:

$2^5\times 3^1\times {\mathrm{449}}^1\times {\mathrm{499}}^1$

素因数の和:961

約数の個数: 48

約数和(自身を含む): 56700000

約数和(自身を除く): 35191104

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 32, 48, 96, 449, 499, 898, 998, 1347, 1497, 1796, 1996, 2694, 2994, 3592, 3992, 5388, 5988, 7184, 7984, 10776, 11976, 14368, 15968, 21552, 23952, 43104, 47904, 224051, 448102, 672153, 896204, 1344306, 1792408, 2688612, 3584816, 5377224, 7169632, 10754448, 21508896]

約数ペア:

[(1, 21508896), (2, 10754448), (3, 7169632), (4, 5377224), (6, 3584816), (8, 2688612), (12, 1792408), (16, 1344306), (24, 896204), (32, 672153), (48, 448102), (96, 224051), (449, 47904), (499, 43104), (898, 23952), (998, 21552), (1347, 15968), (1497, 14368), (1796, 11976), (1996, 10776), (2694, 7984), (2994, 7184), (3592, 5988), (3992, 5388)]