21765512

素因数分解:

$2^3\times {\mathrm{47}}^1\times {\mathrm{107}}^1\times {\mathrm{541}}^1$

素因数の和:701

約数の個数: 32

約数和(自身を含む): 42145920

約数和(自身を除く): 20380408

約数列:

[1, 2, 4, 8, 47, 94, 107, 188, 214, 376, 428, 541, 856, 1082, 2164, 4328, 5029, 10058, 20116, 25427, 40232, 50854, 57887, 101708, 115774, 203416, 231548, 463096, 2720689, 5441378, 10882756, 21765512]

約数ペア:

[(1, 21765512), (2, 10882756), (4, 5441378), (8, 2720689), (47, 463096), (94, 231548), (107, 203416), (188, 115774), (214, 101708), (376, 57887), (428, 50854), (541, 40232), (856, 25427), (1082, 20116), (2164, 10058), (4328, 5029)]