21786324

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{419}}^1\times {\mathrm{619}}^1$

素因数の和:1052

約数の個数: 48

約数和(自身を含む): 58329600

約数和(自身を除く): 36543276

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 419, 619, 838, 1238, 1257, 1676, 1857, 2476, 2514, 2933, 3714, 4333, 5028, 5866, 7428, 8666, 8799, 11732, 12999, 17332, 17598, 25998, 35196, 51996, 259361, 518722, 778083, 1037444, 1556166, 1815527, 3112332, 3631054, 5446581, 7262108, 10893162, 21786324]

約数ペア:

[(1, 21786324), (2, 10893162), (3, 7262108), (4, 5446581), (6, 3631054), (7, 3112332), (12, 1815527), (14, 1556166), (21, 1037444), (28, 778083), (42, 518722), (84, 259361), (419, 51996), (619, 35196), (838, 25998), (1238, 17598), (1257, 17332), (1676, 12999), (1857, 11732), (2476, 8799), (2514, 8666), (2933, 7428), (3714, 5866), (4333, 5028)]