21488202

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{83}}^1\times {\mathrm{757}}^1$

素因数の和:867

約数の個数: 48

約数和(自身を含む): 49664160

約数和(自身を除く): 28175958

約数列:

[1, 2, 3, 6, 9, 18, 19, 38, 57, 83, 114, 166, 171, 249, 342, 498, 747, 757, 1494, 1514, 1577, 2271, 3154, 4542, 4731, 6813, 9462, 13626, 14193, 14383, 28386, 28766, 43149, 62831, 86298, 125662, 129447, 188493, 258894, 376986, 565479, 1130958, 1193789, 2387578, 3581367, 7162734, 10744101, 21488202]

約数ペア:

[(1, 21488202), (2, 10744101), (3, 7162734), (6, 3581367), (9, 2387578), (18, 1193789), (19, 1130958), (38, 565479), (57, 376986), (83, 258894), (114, 188493), (166, 129447), (171, 125662), (249, 86298), (342, 62831), (498, 43149), (747, 28766), (757, 28386), (1494, 14383), (1514, 14193), (1577, 13626), (2271, 9462), (3154, 6813), (4542, 4731)]