21650640

素因数分解:

$2^4\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{139}}^1$

素因数の和:225

約数の個数: 160

約数和(自身を含む): 74995200

約数和(自身を除く): 53344560

約数列:

[1, 2, 3, 4, 5, 6, 8, 10, 11, 12, 15, 16, 20, 22, 24, 30, 33, 40, 44, 48, 55, 59, 60, 66, 80, 88, 110, 118, 120, 132, 139, 165, 176, 177, 220, 236, 240, 264, 278, 295, 330, 354, 417, 440, 472, 528, 556, 590, 649, 660, 695, 708, 834, 880, 885, 944, 1112, 1180, 1298, 1320, 1390, 1416, 1529, 1668, 1770, 1947, 2085, 2224, 2360, 2596, 2640, 2780, 2832, 3058, 3245, 3336, 3540, 3894, 4170, 4587, 4720, 5192, 5560, 6116, 6490, 6672, 7080, 7645, 7788, 8201, 8340, 9174, 9735, 10384, 11120, 12232, 12980, 14160, 15290, 15576, 16402, 16680, 18348, 19470, 22935, 24464, 24603, 25960, 30580, 31152, 32804, 33360, 36696, 38940, 41005, 45870, 49206, 51920, 61160, 65608, 73392, 77880, 82010, 90211, 91740, 98412, 122320, 123015, 131216, 155760, 164020, 180422, 183480, 196824, 246030, 270633, 328040, 360844, 366960, 393648, 451055, 492060, 541266, 656080, 721688, 902110, 984120, 1082532, 1353165, 1443376, 1804220, 1968240, 2165064, 2706330, 3608440, 4330128, 5412660, 7216880, 10825320, 21650640]

約数ペア:

[(1, 21650640), (2, 10825320), (3, 7216880), (4, 5412660), (5, 4330128), (6, 3608440), (8, 2706330), (10, 2165064), (11, 1968240), (12, 1804220), (15, 1443376), (16, 1353165), (20, 1082532), (22, 984120), (24, 902110), (30, 721688), (33, 656080), (40, 541266), (44, 492060), (48, 451055), (55, 393648), (59, 366960), (60, 360844), (66, 328040), (80, 270633), (88, 246030), (110, 196824), (118, 183480), (120, 180422), (132, 164020), (139, 155760), (165, 131216), (176, 123015), (177, 122320), (220, 98412), (236, 91740), (240, 90211), (264, 82010), (278, 77880), (295, 73392), (330, 65608), (354, 61160), (417, 51920), (440, 49206), (472, 45870), (528, 41005), (556, 38940), (590, 36696), (649, 33360), (660, 32804), (695, 31152), (708, 30580), (834, 25960), (880, 24603), (885, 24464), (944, 22935), (1112, 19470), (1180, 18348), (1298, 16680), (1320, 16402), (1390, 15576), (1416, 15290), (1529, 14160), (1668, 12980), (1770, 12232), (1947, 11120), (2085, 10384), (2224, 9735), (2360, 9174), (2596, 8340), (2640, 8201), (2780, 7788), (2832, 7645), (3058, 7080), (3245, 6672), (3336, 6490), (3540, 6116), (3894, 5560), (4170, 5192), (4587, 4720)]