21000481242

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{15837467}}^1$

素因数の和:15837502

約数の個数: 32

約数和(自身を含む): 47892503232

約数和(自身を除く): 26892021990

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 221, 442, 663, 1326, 15837467, 31674934, 47512401, 95024802, 205887071, 269236939, 411774142, 538473878, 617661213, 807710817, 1235322426, 1615421634, 3500080207, 7000160414, 10500240621, 21000481242]

約数ペア:

[(1, 21000481242), (2, 10500240621), (3, 7000160414), (6, 3500080207), (13, 1615421634), (17, 1235322426), (26, 807710817), (34, 617661213), (39, 538473878), (51, 411774142), (78, 269236939), (102, 205887071), (221, 95024802), (442, 47512401), (663, 31674934), (1326, 15837467)]