21181880160

素因数分解:

$2^5\times 3^3\times 5^1\times 7^1\times {\mathrm{700459}}^1$

素因数の和:700490

約数の個数: 192

約数和(自身を含む): 84727641600

約数和(自身を除く): 63545761440

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 27, 28, 30, 32, 35, 36, 40, 42, 45, 48, 54, 56, 60, 63, 70, 72, 80, 84, 90, 96, 105, 108, 112, 120, 126, 135, 140, 144, 160, 168, 180, 189, 210, 216, 224, 240, 252, 270, 280, 288, 315, 336, 360, 378, 420, 432, 480, 504, 540, 560, 630, 672, 720, 756, 840, 864, 945, 1008, 1080, 1120, 1260, 1440, 1512, 1680, 1890, 2016, 2160, 2520, 3024, 3360, 3780, 4320, 5040, 6048, 7560, 10080, 15120, 30240, 700459, 1400918, 2101377, 2801836, 3502295, 4202754, 4903213, 5603672, 6304131, 7004590, 8405508, 9806426, 10506885, 11207344, 12608262, 14009180, 14709639, 16811016, 18912393, 19612852, 21013770, 22414688, 24516065, 25216524, 28018360, 29419278, 31520655, 33622032, 37824786, 39225704, 42027540, 44128917, 49032130, 50433048, 56036720, 58838556, 63041310, 67244064, 73548195, 75649572, 78451408, 84055080, 88257834, 94561965, 98064260, 100866096, 112073440, 117677112, 126082620, 132386751, 147096390, 151299144, 156902816, 168110160, 176515668, 189123930, 196128520, 201732192, 220644585, 235354224, 252165240, 264773502, 294192780, 302598288, 336220320, 353031336, 378247860, 392257040, 441289170, 470708448, 504330480, 529547004, 588385560, 605196576, 661933755, 706062672, 756495720, 784514080, 882578340, 1008660960, 1059094008, 1176771120, 1323867510, 1412125344, 1512991440, 1765156680, 2118188016, 2353542240, 2647735020, 3025982880, 3530313360, 4236376032, 5295470040, 7060626720, 10590940080, 21181880160]

約数ペア:

[(1, 21181880160), (2, 10590940080), (3, 7060626720), (4, 5295470040), (5, 4236376032), (6, 3530313360), (7, 3025982880), (8, 2647735020), (9, 2353542240), (10, 2118188016), (12, 1765156680), (14, 1512991440), (15, 1412125344), (16, 1323867510), (18, 1176771120), (20, 1059094008), (21, 1008660960), (24, 882578340), (27, 784514080), (28, 756495720), (30, 706062672), (32, 661933755), (35, 605196576), (36, 588385560), (40, 529547004), (42, 504330480), (45, 470708448), (48, 441289170), (54, 392257040), (56, 378247860), (60, 353031336), (63, 336220320), (70, 302598288), (72, 294192780), (80, 264773502), (84, 252165240), (90, 235354224), (96, 220644585), (105, 201732192), (108, 196128520), (112, 189123930), (120, 176515668), (126, 168110160), (135, 156902816), (140, 151299144), (144, 147096390), (160, 132386751), (168, 126082620), (180, 117677112), (189, 112073440), (210, 100866096), (216, 98064260), (224, 94561965), (240, 88257834), (252, 84055080), (270, 78451408), (280, 75649572), (288, 73548195), (315, 67244064), (336, 63041310), (360, 58838556), (378, 56036720), (420, 50433048), (432, 49032130), (480, 44128917), (504, 42027540), (540, 39225704), (560, 37824786), (630, 33622032), (672, 31520655), (720, 29419278), (756, 28018360), (840, 25216524), (864, 24516065), (945, 22414688), (1008, 21013770), (1080, 19612852), (1120, 18912393), (1260, 16811016), (1440, 14709639), (1512, 14009180), (1680, 12608262), (1890, 11207344), (2016, 10506885), (2160, 9806426), (2520, 8405508), (3024, 7004590), (3360, 6304131), (3780, 5603672), (4320, 4903213), (5040, 4202754), (6048, 3502295), (7560, 2801836), (10080, 2101377), (15120, 1400918), (30240, 700459)]