21503522013

素因数分解:

$3^1\times {\mathrm{131}}^1\times {\mathrm{919}}^1\times {\mathrm{59539}}^1$

素因数の和:60592

約数の個数: 16

約数和(自身を含む): 28922150400

約数和(自身を除く): 7418628387

約数列:

[1, 3, 131, 393, 919, 2757, 59539, 120389, 178617, 361167, 7799609, 23398827, 54716341, 164149023, 7167840671, 21503522013]

約数ペア:

[(1, 21503522013), (3, 7167840671), (131, 164149023), (393, 54716341), (919, 23398827), (2757, 7799609), (59539, 361167), (120389, 178617)]