21291239662

素因数分解:

$2^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{1439}}^1\times {\mathrm{3313}}^1$

素因数の和:4801

約数の個数: 64

約数和(自身を含む): 41231462400

約数和(自身を除く): 19940222738

約数列:

[1, 2, 7, 11, 14, 22, 29, 58, 77, 154, 203, 319, 406, 638, 1439, 2233, 2878, 3313, 4466, 6626, 10073, 15829, 20146, 23191, 31658, 36443, 41731, 46382, 72886, 83462, 96077, 110803, 192154, 221606, 255101, 292117, 459041, 510202, 584234, 672539, 918082, 1056847, 1345078, 2113694, 3213287, 4767407, 6426574, 7397929, 9534814, 14795858, 33371849, 52441477, 66743698, 104882954, 138254803, 276509606, 367090339, 734180678, 967783621, 1520802833, 1935567242, 3041605666, 10645619831, 21291239662]

約数ペア:

[(1, 21291239662), (2, 10645619831), (7, 3041605666), (11, 1935567242), (14, 1520802833), (22, 967783621), (29, 734180678), (58, 367090339), (77, 276509606), (154, 138254803), (203, 104882954), (319, 66743698), (406, 52441477), (638, 33371849), (1439, 14795858), (2233, 9534814), (2878, 7397929), (3313, 6426574), (4466, 4767407), (6626, 3213287), (10073, 2113694), (15829, 1345078), (20146, 1056847), (23191, 918082), (31658, 672539), (36443, 584234), (41731, 510202), (46382, 459041), (72886, 292117), (83462, 255101), (96077, 221606), (110803, 192154)]