21481071360

素因数分解:

$2^8\times 3^1\times 5^1\times 7^1\times {\mathrm{799147}}^1$

素因数の和:799178

約数の個数: 144

約数和(自身を含む): 78406008576

約数和(自身を除く): 56924937216

約数列:

[1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 15, 16, 20, 21, 24, 28, 30, 32, 35, 40, 42, 48, 56, 60, 64, 70, 80, 84, 96, 105, 112, 120, 128, 140, 160, 168, 192, 210, 224, 240, 256, 280, 320, 336, 384, 420, 448, 480, 560, 640, 672, 768, 840, 896, 960, 1120, 1280, 1344, 1680, 1792, 1920, 2240, 2688, 3360, 3840, 4480, 5376, 6720, 8960, 13440, 26880, 799147, 1598294, 2397441, 3196588, 3995735, 4794882, 5594029, 6393176, 7991470, 9589764, 11188058, 11987205, 12786352, 15982940, 16782087, 19179528, 22376116, 23974410, 25572704, 27970145, 31965880, 33564174, 38359056, 44752232, 47948820, 51145408, 55940290, 63931760, 67128348, 76718112, 83910435, 89504464, 95897640, 102290816, 111880580, 127863520, 134256696, 153436224, 167820870, 179008928, 191795280, 204581632, 223761160, 255727040, 268513392, 306872448, 335641740, 358017856, 383590560, 447522320, 511454080, 537026784, 613744896, 671283480, 716035712, 767181120, 895044640, 1022908160, 1074053568, 1342566960, 1432071424, 1534362240, 1790089280, 2148107136, 2685133920, 3068724480, 3580178560, 4296214272, 5370267840, 7160357120, 10740535680, 21481071360]

約数ペア:

[(1, 21481071360), (2, 10740535680), (3, 7160357120), (4, 5370267840), (5, 4296214272), (6, 3580178560), (7, 3068724480), (8, 2685133920), (10, 2148107136), (12, 1790089280), (14, 1534362240), (15, 1432071424), (16, 1342566960), (20, 1074053568), (21, 1022908160), (24, 895044640), (28, 767181120), (30, 716035712), (32, 671283480), (35, 613744896), (40, 537026784), (42, 511454080), (48, 447522320), (56, 383590560), (60, 358017856), (64, 335641740), (70, 306872448), (80, 268513392), (84, 255727040), (96, 223761160), (105, 204581632), (112, 191795280), (120, 179008928), (128, 167820870), (140, 153436224), (160, 134256696), (168, 127863520), (192, 111880580), (210, 102290816), (224, 95897640), (240, 89504464), (256, 83910435), (280, 76718112), (320, 67128348), (336, 63931760), (384, 55940290), (420, 51145408), (448, 47948820), (480, 44752232), (560, 38359056), (640, 33564174), (672, 31965880), (768, 27970145), (840, 25572704), (896, 23974410), (960, 22376116), (1120, 19179528), (1280, 16782087), (1344, 15982940), (1680, 12786352), (1792, 11987205), (1920, 11188058), (2240, 9589764), (2688, 7991470), (3360, 6393176), (3840, 5594029), (4480, 4794882), (5376, 3995735), (6720, 3196588), (8960, 2397441), (13440, 1598294), (26880, 799147)]