21426418

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{181}}^1$

素因数の和:382

約数の個数: 32

約数和(自身を含む): 36232560

約数和(自身を除く): 14806142

約数列:

[1, 2, 13, 26, 29, 58, 157, 181, 314, 362, 377, 754, 2041, 2353, 4082, 4553, 4706, 5249, 9106, 10498, 28417, 56834, 59189, 68237, 118378, 136474, 369421, 738842, 824093, 1648186, 10713209, 21426418]

約数ペア:

[(1, 21426418), (2, 10713209), (13, 1648186), (26, 824093), (29, 738842), (58, 369421), (157, 136474), (181, 118378), (314, 68237), (362, 59189), (377, 56834), (754, 28417), (2041, 10498), (2353, 9106), (4082, 5249), (4553, 4706)]