21626880

素因数分解:

$2^{17}\times 3^1\times 5^1\times {\mathrm{11}}^1$

素因数の和:53

約数の個数: 144

約数和(自身を含む): 75497184

約数和(自身を除く): 53870304

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 32, 33, 40, 44, 48, 55, 60, 64, 66, 80, 88, 96, 110, 120, 128, 132, 160, 165, 176, 192, 220, 240, 256, 264, 320, 330, 352, 384, 440, 480, 512, 528, 640, 660, 704, 768, 880, 960, 1024, 1056, 1280, 1320, 1408, 1536, 1760, 1920, 2048, 2112, 2560, 2640, 2816, 3072, 3520, 3840, 4096, 4224, 5120, 5280, 5632, 6144, 7040, 7680, 8192, 8448, 10240, 10560, 11264, 12288, 14080, 15360, 16384, 16896, 20480, 21120, 22528, 24576, 28160, 30720, 32768, 33792, 40960, 42240, 45056, 49152, 56320, 61440, 65536, 67584, 81920, 84480, 90112, 98304, 112640, 122880, 131072, 135168, 163840, 168960, 180224, 196608, 225280, 245760, 270336, 327680, 337920, 360448, 393216, 450560, 491520, 540672, 655360, 675840, 720896, 901120, 983040, 1081344, 1351680, 1441792, 1802240, 1966080, 2162688, 2703360, 3604480, 4325376, 5406720, 7208960, 10813440, 21626880]

約数ペア:

[(1, 21626880), (2, 10813440), (3, 7208960), (4, 5406720), (5, 4325376), (6, 3604480), (8, 2703360), (10, 2162688), (11, 1966080), (12, 1802240), (15, 1441792), (16, 1351680), (20, 1081344), (22, 983040), (24, 901120), (30, 720896), (32, 675840), (33, 655360), (40, 540672), (44, 491520), (48, 450560), (55, 393216), (60, 360448), (64, 337920), (66, 327680), (80, 270336), (88, 245760), (96, 225280), (110, 196608), (120, 180224), (128, 168960), (132, 163840), (160, 135168), (165, 131072), (176, 122880), (192, 112640), (220, 98304), (240, 90112), (256, 84480), (264, 81920), (320, 67584), (330, 65536), (352, 61440), (384, 56320), (440, 49152), (480, 45056), (512, 42240), (528, 40960), (640, 33792), (660, 32768), (704, 30720), (768, 28160), (880, 24576), (960, 22528), (1024, 21120), (1056, 20480), (1280, 16896), (1320, 16384), (1408, 15360), (1536, 14080), (1760, 12288), (1920, 11264), (2048, 10560), (2112, 10240), (2560, 8448), (2640, 8192), (2816, 7680), (3072, 7040), (3520, 6144), (3840, 5632), (4096, 5280), (4224, 5120)]