21882872

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{5783}}^1$

素因数の和:5843

約数の個数: 32

約数和(自身を含む): 45809280

約数和(自身を除く): 23926408

約数列:

[1, 2, 4, 8, 11, 22, 43, 44, 86, 88, 172, 344, 473, 946, 1892, 3784, 5783, 11566, 23132, 46264, 63613, 127226, 248669, 254452, 497338, 508904, 994676, 1989352, 2735359, 5470718, 10941436, 21882872]

約数ペア:

[(1, 21882872), (2, 10941436), (4, 5470718), (8, 2735359), (11, 1989352), (22, 994676), (43, 508904), (44, 497338), (86, 254452), (88, 248669), (172, 127226), (344, 63613), (473, 46264), (946, 23132), (1892, 11566), (3784, 5783)]