21168186

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{101}}^1\times {\mathrm{2687}}^1$

素因数の和:2806

約数の個数: 32

約数和(自身を含む): 46061568

約数和(自身を除く): 24893382

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 101, 202, 303, 606, 1313, 2626, 2687, 3939, 5374, 7878, 8061, 16122, 34931, 69862, 104793, 209586, 271387, 542774, 814161, 1628322, 3528031, 7056062, 10584093, 21168186]

約数ペア:

[(1, 21168186), (2, 10584093), (3, 7056062), (6, 3528031), (13, 1628322), (26, 814161), (39, 542774), (78, 271387), (101, 209586), (202, 104793), (303, 69862), (606, 34931), (1313, 16122), (2626, 8061), (2687, 7878), (3939, 5374)]