21243508

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{37139}}^1$

素因数の和:37167

約数の個数: 24

約数和(自身を含む): 43676640

約数和(自身を除く): 22433132

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 37139, 74278, 148556, 408529, 482807, 817058, 965614, 1634116, 1931228, 5310877, 10621754, 21243508]

約数ペア:

[(1, 21243508), (2, 10621754), (4, 5310877), (11, 1931228), (13, 1634116), (22, 965614), (26, 817058), (44, 482807), (52, 408529), (143, 148556), (286, 74278), (572, 37139)]