21261336768

素因数分解:

$2^6\times 3^2\times 7^2\times {\mathrm{753307}}^1$

素因数の和:753339

約数の個数: 126

約数和(自身を含む): 70891555956

約数和(自身を除く): 49630219188

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 49, 56, 63, 64, 72, 84, 96, 98, 112, 126, 144, 147, 168, 192, 196, 224, 252, 288, 294, 336, 392, 441, 448, 504, 576, 588, 672, 784, 882, 1008, 1176, 1344, 1568, 1764, 2016, 2352, 3136, 3528, 4032, 4704, 7056, 9408, 14112, 28224, 753307, 1506614, 2259921, 3013228, 4519842, 5273149, 6026456, 6779763, 9039684, 10546298, 12052912, 13559526, 15819447, 18079368, 21092596, 24105824, 27119052, 31638894, 36158736, 36912043, 42185192, 47458341, 48211648, 54238104, 63277788, 72317472, 73824086, 84370384, 94916682, 108476208, 110736129, 126555576, 144634944, 147648172, 168740768, 189833364, 216952416, 221472258, 253111152, 295296344, 332208387, 337481536, 379666728, 433904832, 442944516, 506222304, 590592688, 664416774, 759333456, 885889032, 1012444608, 1181185376, 1328833548, 1518666912, 1771778064, 2362370752, 2657667096, 3037333824, 3543556128, 5315334192, 7087112256, 10630668384, 21261336768]

約数ペア:

[(1, 21261336768), (2, 10630668384), (3, 7087112256), (4, 5315334192), (6, 3543556128), (7, 3037333824), (8, 2657667096), (9, 2362370752), (12, 1771778064), (14, 1518666912), (16, 1328833548), (18, 1181185376), (21, 1012444608), (24, 885889032), (28, 759333456), (32, 664416774), (36, 590592688), (42, 506222304), (48, 442944516), (49, 433904832), (56, 379666728), (63, 337481536), (64, 332208387), (72, 295296344), (84, 253111152), (96, 221472258), (98, 216952416), (112, 189833364), (126, 168740768), (144, 147648172), (147, 144634944), (168, 126555576), (192, 110736129), (196, 108476208), (224, 94916682), (252, 84370384), (288, 73824086), (294, 72317472), (336, 63277788), (392, 54238104), (441, 48211648), (448, 47458341), (504, 42185192), (576, 36912043), (588, 36158736), (672, 31638894), (784, 27119052), (882, 24105824), (1008, 21092596), (1176, 18079368), (1344, 15819447), (1568, 13559526), (1764, 12052912), (2016, 10546298), (2352, 9039684), (3136, 6779763), (3528, 6026456), (4032, 5273149), (4704, 4519842), (7056, 3013228), (9408, 2259921), (14112, 1506614), (28224, 753307)]