21123200

素因数分解:

$2^7\times 5^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{41}}^1$

素因数の和:95

約数の個数: 192

約数和(自身を含む): 63745920

約数和(自身を除く): 42622720

約数列:

[1, 2, 4, 5, 7, 8, 10, 14, 16, 20, 23, 25, 28, 32, 35, 40, 41, 46, 50, 56, 64, 70, 80, 82, 92, 100, 112, 115, 128, 140, 160, 161, 164, 175, 184, 200, 205, 224, 230, 280, 287, 320, 322, 328, 350, 368, 400, 410, 448, 460, 560, 574, 575, 640, 644, 656, 700, 736, 800, 805, 820, 896, 920, 943, 1025, 1120, 1148, 1150, 1288, 1312, 1400, 1435, 1472, 1600, 1610, 1640, 1840, 1886, 2050, 2240, 2296, 2300, 2576, 2624, 2800, 2870, 2944, 3200, 3220, 3280, 3680, 3772, 4025, 4100, 4480, 4592, 4600, 4715, 5152, 5248, 5600, 5740, 6440, 6560, 6601, 7175, 7360, 7544, 8050, 8200, 9184, 9200, 9430, 10304, 11200, 11480, 12880, 13120, 13202, 14350, 14720, 15088, 16100, 16400, 18368, 18400, 18860, 20608, 22400, 22960, 23575, 25760, 26240, 26404, 28700, 30176, 32200, 32800, 33005, 36736, 36800, 37720, 45920, 47150, 51520, 52808, 57400, 60352, 64400, 65600, 66010, 73600, 75440, 91840, 94300, 103040, 105616, 114800, 120704, 128800, 131200, 132020, 150880, 165025, 183680, 188600, 211232, 229600, 257600, 264040, 301760, 330050, 377200, 422464, 459200, 515200, 528080, 603520, 660100, 754400, 844928, 918400, 1056160, 1320200, 1508800, 2112320, 2640400, 3017600, 4224640, 5280800, 10561600, 21123200]

約数ペア:

[(1, 21123200), (2, 10561600), (4, 5280800), (5, 4224640), (7, 3017600), (8, 2640400), (10, 2112320), (14, 1508800), (16, 1320200), (20, 1056160), (23, 918400), (25, 844928), (28, 754400), (32, 660100), (35, 603520), (40, 528080), (41, 515200), (46, 459200), (50, 422464), (56, 377200), (64, 330050), (70, 301760), (80, 264040), (82, 257600), (92, 229600), (100, 211232), (112, 188600), (115, 183680), (128, 165025), (140, 150880), (160, 132020), (161, 131200), (164, 128800), (175, 120704), (184, 114800), (200, 105616), (205, 103040), (224, 94300), (230, 91840), (280, 75440), (287, 73600), (320, 66010), (322, 65600), (328, 64400), (350, 60352), (368, 57400), (400, 52808), (410, 51520), (448, 47150), (460, 45920), (560, 37720), (574, 36800), (575, 36736), (640, 33005), (644, 32800), (656, 32200), (700, 30176), (736, 28700), (800, 26404), (805, 26240), (820, 25760), (896, 23575), (920, 22960), (943, 22400), (1025, 20608), (1120, 18860), (1148, 18400), (1150, 18368), (1288, 16400), (1312, 16100), (1400, 15088), (1435, 14720), (1472, 14350), (1600, 13202), (1610, 13120), (1640, 12880), (1840, 11480), (1886, 11200), (2050, 10304), (2240, 9430), (2296, 9200), (2300, 9184), (2576, 8200), (2624, 8050), (2800, 7544), (2870, 7360), (2944, 7175), (3200, 6601), (3220, 6560), (3280, 6440), (3680, 5740), (3772, 5600), (4025, 5248), (4100, 5152), (4480, 4715), (4592, 4600)]