21292437309

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{2803}}^1\times {\mathrm{17707}}^1$

素因数の和:20537

約数の個数: 32

約数和(自身を含む): 33366971904

約数和(自身を除く): 12074534595

約数列:

[1, 3, 11, 13, 33, 39, 143, 429, 2803, 8409, 17707, 30833, 36439, 53121, 92499, 109317, 194777, 230191, 400829, 584331, 690573, 1202487, 2532101, 7596303, 49632721, 148898163, 545959931, 645225373, 1637879793, 1935676119, 7097479103, 21292437309]

約数ペア:

[(1, 21292437309), (3, 7097479103), (11, 1935676119), (13, 1637879793), (33, 645225373), (39, 545959931), (143, 148898163), (429, 49632721), (2803, 7596303), (8409, 2532101), (17707, 1202487), (30833, 690573), (36439, 584331), (53121, 400829), (92499, 230191), (109317, 194777)]