21894124

素因数分解:

$2^2\times 7^1\times {\mathrm{499}}^1\times {\mathrm{1567}}^1$

素因数の和:2077

約数の個数: 24

約数和(自身を含む): 43904000

約数和(自身を除く): 22009876

約数列:

[1, 2, 4, 7, 14, 28, 499, 998, 1567, 1996, 3134, 3493, 6268, 6986, 10969, 13972, 21938, 43876, 781933, 1563866, 3127732, 5473531, 10947062, 21894124]

約数ペア:

[(1, 21894124), (2, 10947062), (4, 5473531), (7, 3127732), (14, 1563866), (28, 781933), (499, 43876), (998, 21938), (1567, 13972), (1996, 10969), (3134, 6986), (3493, 6268)]