21566608

素因数分解:

$2^4\times 7^1\times {\mathrm{17}}^1\times {\mathrm{47}}^1\times {\mathrm{241}}^1$

素因数の和:320

約数の個数: 80

約数和(自身を含む): 51853824

約数和(自身を除く): 30287216

約数列:

[1, 2, 4, 7, 8, 14, 16, 17, 28, 34, 47, 56, 68, 94, 112, 119, 136, 188, 238, 241, 272, 329, 376, 476, 482, 658, 752, 799, 952, 964, 1316, 1598, 1687, 1904, 1928, 2632, 3196, 3374, 3856, 4097, 5264, 5593, 6392, 6748, 8194, 11186, 11327, 12784, 13496, 16388, 22372, 22654, 26992, 28679, 32776, 44744, 45308, 57358, 65552, 79289, 89488, 90616, 114716, 158578, 181232, 192559, 229432, 317156, 385118, 458864, 634312, 770236, 1268624, 1347913, 1540472, 2695826, 3080944, 5391652, 10783304, 21566608]

約数ペア:

[(1, 21566608), (2, 10783304), (4, 5391652), (7, 3080944), (8, 2695826), (14, 1540472), (16, 1347913), (17, 1268624), (28, 770236), (34, 634312), (47, 458864), (56, 385118), (68, 317156), (94, 229432), (112, 192559), (119, 181232), (136, 158578), (188, 114716), (238, 90616), (241, 89488), (272, 79289), (329, 65552), (376, 57358), (476, 45308), (482, 44744), (658, 32776), (752, 28679), (799, 26992), (952, 22654), (964, 22372), (1316, 16388), (1598, 13496), (1687, 12784), (1904, 11327), (1928, 11186), (2632, 8194), (3196, 6748), (3374, 6392), (3856, 5593), (4097, 5264)]