21131324929

素因数分解:

${\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{547}}^1\times {\mathrm{599}}^1$

素因数の和:1222

約数の個数: 48

約数和(自身を含む): 25713475200

約数和(自身を除く): 4582150271

約数列:

[1, 11, 13, 41, 121, 143, 451, 533, 547, 599, 1573, 4961, 5863, 6017, 6589, 7111, 7787, 22427, 24559, 64493, 66187, 72479, 78221, 85657, 246697, 270149, 291551, 319267, 327653, 860431, 942227, 2713667, 2971639, 3207061, 3511937, 3604183, 4259489, 13433773, 35277671, 38631307, 39646013, 46854379, 147771503, 174639049, 515398169, 1625486533, 1921029539, 21131324929]

約数ペア:

[(1, 21131324929), (11, 1921029539), (13, 1625486533), (41, 515398169), (121, 174639049), (143, 147771503), (451, 46854379), (533, 39646013), (547, 38631307), (599, 35277671), (1573, 13433773), (4961, 4259489), (5863, 3604183), (6017, 3511937), (6589, 3207061), (7111, 2971639), (7787, 2713667), (22427, 942227), (24559, 860431), (64493, 327653), (66187, 319267), (72479, 291551), (78221, 270149), (85657, 246697)]