21871882240

素因数分解:

$2^{12}\times 5^1\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{727}}^1$

素因数の和:882

約数の個数: 208

約数和(自身を含む): 57102147648

約数和(自身を除く): 35230265408

約数列:

[1, 2, 4, 5, 8, 10, 13, 16, 20, 26, 32, 40, 52, 64, 65, 80, 104, 113, 128, 130, 160, 208, 226, 256, 260, 320, 416, 452, 512, 520, 565, 640, 727, 832, 904, 1024, 1040, 1130, 1280, 1454, 1469, 1664, 1808, 2048, 2080, 2260, 2560, 2908, 2938, 3328, 3616, 3635, 4096, 4160, 4520, 5120, 5816, 5876, 6656, 7232, 7270, 7345, 8320, 9040, 9451, 10240, 11632, 11752, 13312, 14464, 14540, 14690, 16640, 18080, 18902, 20480, 23264, 23504, 26624, 28928, 29080, 29380, 33280, 36160, 37804, 46528, 47008, 47255, 53248, 57856, 58160, 58760, 66560, 72320, 75608, 82151, 93056, 94016, 94510, 115712, 116320, 117520, 133120, 144640, 151216, 164302, 186112, 188032, 189020, 231424, 232640, 235040, 266240, 289280, 302432, 328604, 372224, 376064, 378040, 410755, 462848, 465280, 470080, 578560, 604864, 657208, 744448, 752128, 756080, 821510, 930560, 940160, 1067963, 1157120, 1209728, 1314416, 1488896, 1504256, 1512160, 1643020, 1861120, 1880320, 2135926, 2314240, 2419456, 2628832, 2977792, 3008512, 3024320, 3286040, 3722240, 3760640, 4271852, 4838912, 5257664, 5339815, 6017024, 6048640, 6572080, 7444480, 7521280, 8543704, 9677824, 10515328, 10679630, 12097280, 13144160, 14888960, 15042560, 17087408, 19355648, 21030656, 21359260, 24194560, 26288320, 30085120, 34174816, 38711296, 42061312, 42718520, 48389120, 52576640, 68349632, 84122624, 85437040, 96778240, 105153280, 136699264, 168245248, 170874080, 193556480, 210306560, 273398528, 336490496, 341748160, 420613120, 546797056, 683496320, 841226240, 1093594112, 1366992640, 1682452480, 2187188224, 2733985280, 4374376448, 5467970560, 10935941120, 21871882240]

約数ペア:

[(1, 21871882240), (2, 10935941120), (4, 5467970560), (5, 4374376448), (8, 2733985280), (10, 2187188224), (13, 1682452480), (16, 1366992640), (20, 1093594112), (26, 841226240), (32, 683496320), (40, 546797056), (52, 420613120), (64, 341748160), (65, 336490496), (80, 273398528), (104, 210306560), (113, 193556480), (128, 170874080), (130, 168245248), (160, 136699264), (208, 105153280), (226, 96778240), (256, 85437040), (260, 84122624), (320, 68349632), (416, 52576640), (452, 48389120), (512, 42718520), (520, 42061312), (565, 38711296), (640, 34174816), (727, 30085120), (832, 26288320), (904, 24194560), (1024, 21359260), (1040, 21030656), (1130, 19355648), (1280, 17087408), (1454, 15042560), (1469, 14888960), (1664, 13144160), (1808, 12097280), (2048, 10679630), (2080, 10515328), (2260, 9677824), (2560, 8543704), (2908, 7521280), (2938, 7444480), (3328, 6572080), (3616, 6048640), (3635, 6017024), (4096, 5339815), (4160, 5257664), (4520, 4838912), (5120, 4271852), (5816, 3760640), (5876, 3722240), (6656, 3286040), (7232, 3024320), (7270, 3008512), (7345, 2977792), (8320, 2628832), (9040, 2419456), (9451, 2314240), (10240, 2135926), (11632, 1880320), (11752, 1861120), (13312, 1643020), (14464, 1512160), (14540, 1504256), (14690, 1488896), (16640, 1314416), (18080, 1209728), (18902, 1157120), (20480, 1067963), (23264, 940160), (23504, 930560), (26624, 821510), (28928, 756080), (29080, 752128), (29380, 744448), (33280, 657208), (36160, 604864), (37804, 578560), (46528, 470080), (47008, 465280), (47255, 462848), (53248, 410755), (57856, 378040), (58160, 376064), (58760, 372224), (66560, 328604), (72320, 302432), (75608, 289280), (82151, 266240), (93056, 235040), (94016, 232640), (94510, 231424), (115712, 189020), (116320, 188032), (117520, 186112), (133120, 164302), (144640, 151216)]