21946680

素因数分解:

$2^3\times 3^3\times 5^1\times 7^1\times {\mathrm{2903}}^1$

素因数の和:2930

約数の個数: 128

約数和(自身を含む): 83635200

約数和(自身を除く): 61688520

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 9, 10, 12, 14, 15, 18, 20, 21, 24, 27, 28, 30, 35, 36, 40, 42, 45, 54, 56, 60, 63, 70, 72, 84, 90, 105, 108, 120, 126, 135, 140, 168, 180, 189, 210, 216, 252, 270, 280, 315, 360, 378, 420, 504, 540, 630, 756, 840, 945, 1080, 1260, 1512, 1890, 2520, 2903, 3780, 5806, 7560, 8709, 11612, 14515, 17418, 20321, 23224, 26127, 29030, 34836, 40642, 43545, 52254, 58060, 60963, 69672, 78381, 81284, 87090, 101605, 104508, 116120, 121926, 130635, 156762, 162568, 174180, 182889, 203210, 209016, 243852, 261270, 304815, 313524, 348360, 365778, 391905, 406420, 487704, 522540, 548667, 609630, 627048, 731556, 783810, 812840, 914445, 1045080, 1097334, 1219260, 1463112, 1567620, 1828890, 2194668, 2438520, 2743335, 3135240, 3657780, 4389336, 5486670, 7315560, 10973340, 21946680]

約数ペア:

[(1, 21946680), (2, 10973340), (3, 7315560), (4, 5486670), (5, 4389336), (6, 3657780), (7, 3135240), (8, 2743335), (9, 2438520), (10, 2194668), (12, 1828890), (14, 1567620), (15, 1463112), (18, 1219260), (20, 1097334), (21, 1045080), (24, 914445), (27, 812840), (28, 783810), (30, 731556), (35, 627048), (36, 609630), (40, 548667), (42, 522540), (45, 487704), (54, 406420), (56, 391905), (60, 365778), (63, 348360), (70, 313524), (72, 304815), (84, 261270), (90, 243852), (105, 209016), (108, 203210), (120, 182889), (126, 174180), (135, 162568), (140, 156762), (168, 130635), (180, 121926), (189, 116120), (210, 104508), (216, 101605), (252, 87090), (270, 81284), (280, 78381), (315, 69672), (360, 60963), (378, 58060), (420, 52254), (504, 43545), (540, 40642), (630, 34836), (756, 29030), (840, 26127), (945, 23224), (1080, 20321), (1260, 17418), (1512, 14515), (1890, 11612), (2520, 8709), (2903, 7560), (3780, 5806)]