21018806562

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{15851287}}^1$

素因数の和:15851322

約数の個数: 32

約数和(自身を含む): 47934294912

約数和(自身を除く): 26915488350

約数列:

[1, 2, 3, 6, 13, 17, 26, 34, 39, 51, 78, 102, 221, 442, 663, 1326, 15851287, 31702574, 47553861, 95107722, 206066731, 269471879, 412133462, 538943758, 618200193, 808415637, 1236400386, 1616831274, 3503134427, 7006268854, 10509403281, 21018806562]

約数ペア:

[(1, 21018806562), (2, 10509403281), (3, 7006268854), (6, 3503134427), (13, 1616831274), (17, 1236400386), (26, 808415637), (34, 618200193), (39, 538943758), (51, 412133462), (78, 269471879), (102, 206066731), (221, 95107722), (442, 47553861), (663, 31702574), (1326, 15851287)]