21084726

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{15901}}^1$

素因数の和:15936

約数の個数: 32

約数和(自身を含む): 48087648

約数和(自身を除く): 27002922

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 221, 442, 663, 1326, 15901, 31802, 47703, 95406, 206713, 270317, 413426, 540634, 620139, 810951, 1240278, 1621902, 3514121, 7028242, 10542363, 21084726]

約数ペア:

[(1, 21084726), (2, 10542363), (3, 7028242), (6, 3514121), (13, 1621902), (17, 1240278), (26, 810951), (34, 620139), (39, 540634), (51, 413426), (78, 270317), (102, 206713), (221, 95406), (442, 47703), (663, 31802), (1326, 15901)]