21416612

素因数分解:

$2^2\times 7^1\times {\mathrm{61}}^1\times {\mathrm{12539}}^1$

素因数の和:12611

約数の個数: 24

約数和(自身を含む): 43538880

約数和(自身を除く): 22122268

約数列:

[1, 2, 4, 7, 14, 28, 61, 122, 244, 427, 854, 1708, 12539, 25078, 50156, 87773, 175546, 351092, 764879, 1529758, 3059516, 5354153, 10708306, 21416612]

約数ペア:

[(1, 21416612), (2, 10708306), (4, 5354153), (7, 3059516), (14, 1529758), (28, 764879), (61, 351092), (122, 175546), (244, 87773), (427, 50156), (854, 25078), (1708, 12539)]