21557798640

素因数分解:

$2^4\times 3^2\times 5^1\times 7^1\times {\mathrm{4277341}}^1$

素因数の和:4277367

約数の個数: 120

約数和(自身を含む): 82740903648

約数和(自身を除く): 61183105008

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 16, 18, 20, 21, 24, 28, 30, 35, 36, 40, 42, 45, 48, 56, 60, 63, 70, 72, 80, 84, 90, 105, 112, 120, 126, 140, 144, 168, 180, 210, 240, 252, 280, 315, 336, 360, 420, 504, 560, 630, 720, 840, 1008, 1260, 1680, 2520, 5040, 4277341, 8554682, 12832023, 17109364, 21386705, 25664046, 29941387, 34218728, 38496069, 42773410, 51328092, 59882774, 64160115, 68437456, 76992138, 85546820, 89824161, 102656184, 119765548, 128320230, 149706935, 153984276, 171093640, 179648322, 192480345, 205312368, 239531096, 256640460, 269472483, 299413870, 307968552, 342187280, 359296644, 384960690, 449120805, 479062192, 513280920, 538944966, 598827740, 615937104, 718593288, 769921380, 898241610, 1026561840, 1077889932, 1197655480, 1347362415, 1437186576, 1539842760, 1796483220, 2155779864, 2395310960, 2694724830, 3079685520, 3592966440, 4311559728, 5389449660, 7185932880, 10778899320, 21557798640]

約数ペア:

[(1, 21557798640), (2, 10778899320), (3, 7185932880), (4, 5389449660), (5, 4311559728), (6, 3592966440), (7, 3079685520), (8, 2694724830), (9, 2395310960), (10, 2155779864), (12, 1796483220), (14, 1539842760), (15, 1437186576), (16, 1347362415), (18, 1197655480), (20, 1077889932), (21, 1026561840), (24, 898241610), (28, 769921380), (30, 718593288), (35, 615937104), (36, 598827740), (40, 538944966), (42, 513280920), (45, 479062192), (48, 449120805), (56, 384960690), (60, 359296644), (63, 342187280), (70, 307968552), (72, 299413870), (80, 269472483), (84, 256640460), (90, 239531096), (105, 205312368), (112, 192480345), (120, 179648322), (126, 171093640), (140, 153984276), (144, 149706935), (168, 128320230), (180, 119765548), (210, 102656184), (240, 89824161), (252, 85546820), (280, 76992138), (315, 68437456), (336, 64160115), (360, 59882774), (420, 51328092), (504, 42773410), (560, 38496069), (630, 34218728), (720, 29941387), (840, 25664046), (1008, 21386705), (1260, 17109364), (1680, 12832023), (2520, 8554682), (5040, 4277341)]