21482160

素因数分解:

$2^4\times 3^1\times 5^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{673}}^1$

素因数の和:715

約数の個数: 160

約数和(自身を含む): 80232960

約数和(自身を除く): 58750800

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 19, 20, 21, 24, 28, 30, 35, 38, 40, 42, 48, 56, 57, 60, 70, 76, 80, 84, 95, 105, 112, 114, 120, 133, 140, 152, 168, 190, 210, 228, 240, 266, 280, 285, 304, 336, 380, 399, 420, 456, 532, 560, 570, 665, 673, 760, 798, 840, 912, 1064, 1140, 1330, 1346, 1520, 1596, 1680, 1995, 2019, 2128, 2280, 2660, 2692, 3192, 3365, 3990, 4038, 4560, 4711, 5320, 5384, 6384, 6730, 7980, 8076, 9422, 10095, 10640, 10768, 12787, 13460, 14133, 15960, 16152, 18844, 20190, 23555, 25574, 26920, 28266, 31920, 32304, 37688, 38361, 40380, 47110, 51148, 53840, 56532, 63935, 70665, 75376, 76722, 80760, 89509, 94220, 102296, 113064, 127870, 141330, 153444, 161520, 179018, 188440, 191805, 204592, 226128, 255740, 268527, 282660, 306888, 358036, 376880, 383610, 447545, 511480, 537054, 565320, 613776, 716072, 767220, 895090, 1022960, 1074108, 1130640, 1342635, 1432144, 1534440, 1790180, 2148216, 2685270, 3068880, 3580360, 4296432, 5370540, 7160720, 10741080, 21482160]

約数ペア:

[(1, 21482160), (2, 10741080), (3, 7160720), (4, 5370540), (5, 4296432), (6, 3580360), (7, 3068880), (8, 2685270), (10, 2148216), (12, 1790180), (14, 1534440), (15, 1432144), (16, 1342635), (19, 1130640), (20, 1074108), (21, 1022960), (24, 895090), (28, 767220), (30, 716072), (35, 613776), (38, 565320), (40, 537054), (42, 511480), (48, 447545), (56, 383610), (57, 376880), (60, 358036), (70, 306888), (76, 282660), (80, 268527), (84, 255740), (95, 226128), (105, 204592), (112, 191805), (114, 188440), (120, 179018), (133, 161520), (140, 153444), (152, 141330), (168, 127870), (190, 113064), (210, 102296), (228, 94220), (240, 89509), (266, 80760), (280, 76722), (285, 75376), (304, 70665), (336, 63935), (380, 56532), (399, 53840), (420, 51148), (456, 47110), (532, 40380), (560, 38361), (570, 37688), (665, 32304), (673, 31920), (760, 28266), (798, 26920), (840, 25574), (912, 23555), (1064, 20190), (1140, 18844), (1330, 16152), (1346, 15960), (1520, 14133), (1596, 13460), (1680, 12787), (1995, 10768), (2019, 10640), (2128, 10095), (2280, 9422), (2660, 8076), (2692, 7980), (3192, 6730), (3365, 6384), (3990, 5384), (4038, 5320), (4560, 4711)]