21747516

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{199}}^1\times {\mathrm{1301}}^1$

素因数の和:1514

約数の個数: 48

約数和(自身を含む): 58329600

約数和(自身を除く): 36582084

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 199, 398, 597, 796, 1194, 1301, 1393, 2388, 2602, 2786, 3903, 4179, 5204, 5572, 7806, 8358, 9107, 15612, 16716, 18214, 27321, 36428, 54642, 109284, 258899, 517798, 776697, 1035596, 1553394, 1812293, 3106788, 3624586, 5436879, 7249172, 10873758, 21747516]

約数ペア:

[(1, 21747516), (2, 10873758), (3, 7249172), (4, 5436879), (6, 3624586), (7, 3106788), (12, 1812293), (14, 1553394), (21, 1035596), (28, 776697), (42, 517798), (84, 258899), (199, 109284), (398, 54642), (597, 36428), (796, 27321), (1194, 18214), (1301, 16716), (1393, 15612), (2388, 9107), (2602, 8358), (2786, 7806), (3903, 5572), (4179, 5204)]