21816388

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{495827}}^1$

素因数の和:495842

約数の個数: 12

約数和(自身を含む): 41649552

約数和(自身を除く): 19833164

約数列:

[1, 2, 4, 11, 22, 44, 495827, 991654, 1983308, 5454097, 10908194, 21816388]

約数ペア:

[(1, 21816388), (2, 10908194), (4, 5454097), (11, 1983308), (22, 991654), (44, 495827)]