21857764

素因数分解:

$2^2\times {\mathrm{29}}^1\times {\mathrm{61}}^1\times {\mathrm{3089}}^1$

素因数の和:3183

約数の個数: 24

約数和(自身を含む): 40231800

約数和(自身を除く): 18374036

約数列:

[1, 2, 4, 29, 58, 61, 116, 122, 244, 1769, 3089, 3538, 6178, 7076, 12356, 89581, 179162, 188429, 358324, 376858, 753716, 5464441, 10928882, 21857764]

約数ペア:

[(1, 21857764), (2, 10928882), (4, 5464441), (29, 753716), (58, 376858), (61, 358324), (116, 188429), (122, 179162), (244, 89581), (1769, 12356), (3089, 7076), (3538, 6178)]