21747768

素因数分解:

$2^3\times 3^1\times 7^2\times {\mathrm{18493}}^1$

素因数の和:18516

約数の個数: 48

約数和(自身を含む): 63249480

約数和(自身を除く): 41501712

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 49, 56, 84, 98, 147, 168, 196, 294, 392, 588, 1176, 18493, 36986, 55479, 73972, 110958, 129451, 147944, 221916, 258902, 388353, 443832, 517804, 776706, 906157, 1035608, 1553412, 1812314, 2718471, 3106824, 3624628, 5436942, 7249256, 10873884, 21747768]

約数ペア:

[(1, 21747768), (2, 10873884), (3, 7249256), (4, 5436942), (6, 3624628), (7, 3106824), (8, 2718471), (12, 1812314), (14, 1553412), (21, 1035608), (24, 906157), (28, 776706), (42, 517804), (49, 443832), (56, 388353), (84, 258902), (98, 221916), (147, 147944), (168, 129451), (196, 110958), (294, 73972), (392, 55479), (588, 36986), (1176, 18493)]