21032704

素因数分解:

$2^8\times 7^1\times {\mathrm{11}}^2\times {\mathrm{97}}^1$

素因数の和:142

約数の個数: 108

約数和(自身を含む): 53282992

約数和(自身を除く): 32250288

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 64, 77, 88, 97, 112, 121, 128, 154, 176, 194, 224, 242, 256, 308, 352, 388, 448, 484, 616, 679, 704, 776, 847, 896, 968, 1067, 1232, 1358, 1408, 1552, 1694, 1792, 1936, 2134, 2464, 2716, 2816, 3104, 3388, 3872, 4268, 4928, 5432, 6208, 6776, 7469, 7744, 8536, 9856, 10864, 11737, 12416, 13552, 14938, 15488, 17072, 19712, 21728, 23474, 24832, 27104, 29876, 30976, 34144, 43456, 46948, 54208, 59752, 68288, 82159, 86912, 93896, 108416, 119504, 136576, 164318, 173824, 187792, 216832, 239008, 273152, 328636, 375584, 478016, 657272, 751168, 956032, 1314544, 1502336, 1912064, 2629088, 3004672, 5258176, 10516352, 21032704]

約数ペア:

[(1, 21032704), (2, 10516352), (4, 5258176), (7, 3004672), (8, 2629088), (11, 1912064), (14, 1502336), (16, 1314544), (22, 956032), (28, 751168), (32, 657272), (44, 478016), (56, 375584), (64, 328636), (77, 273152), (88, 239008), (97, 216832), (112, 187792), (121, 173824), (128, 164318), (154, 136576), (176, 119504), (194, 108416), (224, 93896), (242, 86912), (256, 82159), (308, 68288), (352, 59752), (388, 54208), (448, 46948), (484, 43456), (616, 34144), (679, 30976), (704, 29876), (776, 27104), (847, 24832), (896, 23474), (968, 21728), (1067, 19712), (1232, 17072), (1358, 15488), (1408, 14938), (1552, 13552), (1694, 12416), (1792, 11737), (1936, 10864), (2134, 9856), (2464, 8536), (2716, 7744), (2816, 7469), (3104, 6776), (3388, 6208), (3872, 5432), (4268, 4928)]