21767295

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^2\times {\mathrm{67}}^1\times {\mathrm{179}}^1$

素因数の和:276

約数の個数: 48

約数和(自身を含む): 39070080

約数和(自身を除く): 17302785

約数列:

[1, 3, 5, 11, 15, 33, 55, 67, 121, 165, 179, 201, 335, 363, 537, 605, 737, 895, 1005, 1815, 1969, 2211, 2685, 3685, 5907, 8107, 9845, 11055, 11993, 21659, 24321, 29535, 35979, 40535, 59965, 64977, 108295, 121605, 131923, 179895, 324885, 395769, 659615, 1451153, 1978845, 4353459, 7255765, 21767295]

約数ペア:

[(1, 21767295), (3, 7255765), (5, 4353459), (11, 1978845), (15, 1451153), (33, 659615), (55, 395769), (67, 324885), (121, 179895), (165, 131923), (179, 121605), (201, 108295), (335, 64977), (363, 59965), (537, 40535), (605, 35979), (737, 29535), (895, 24321), (1005, 21659), (1815, 11993), (1969, 11055), (2211, 9845), (2685, 8107), (3685, 5907)]