21386106

素因数分解:

$2^1\times 3^4\times 7^1\times {\mathrm{18859}}^1$

素因数の和:18880

約数の個数: 40

約数和(自身を含む): 54769440

約数和(自身を除く): 33383334

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 54, 63, 81, 126, 162, 189, 378, 567, 1134, 18859, 37718, 56577, 113154, 132013, 169731, 264026, 339462, 396039, 509193, 792078, 1018386, 1188117, 1527579, 2376234, 3055158, 3564351, 7128702, 10693053, 21386106]

約数ペア:

[(1, 21386106), (2, 10693053), (3, 7128702), (6, 3564351), (7, 3055158), (9, 2376234), (14, 1527579), (18, 1188117), (21, 1018386), (27, 792078), (42, 509193), (54, 396039), (63, 339462), (81, 264026), (126, 169731), (162, 132013), (189, 113154), (378, 56577), (567, 37718), (1134, 18859)]