21259758

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{16033}}^1$

素因数の和:16068

約数の個数: 32

約数和(自身を含む): 48486816

約数和(自身を除く): 27227058

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 221, 442, 663, 1326, 16033, 32066, 48099, 96198, 208429, 272561, 416858, 545122, 625287, 817683, 1250574, 1635366, 3543293, 7086586, 10629879, 21259758]

約数ペア:

[(1, 21259758), (2, 10629879), (3, 7086586), (6, 3543293), (13, 1635366), (17, 1250574), (26, 817683), (34, 625287), (39, 545122), (51, 416858), (78, 272561), (102, 208429), (221, 96198), (442, 48099), (663, 32066), (1326, 16033)]