21123828

素因数分解:

$2^2\times 3^4\times {\mathrm{11}}^1\times {\mathrm{5927}}^1$

素因数の和:5954

約数の個数: 60

約数和(自身を含む): 60252192

約数和(自身を除く): 39128364

約数列:

[1, 2, 3, 4, 6, 9, 11, 12, 18, 22, 27, 33, 36, 44, 54, 66, 81, 99, 108, 132, 162, 198, 297, 324, 396, 594, 891, 1188, 1782, 3564, 5927, 11854, 17781, 23708, 35562, 53343, 65197, 71124, 106686, 130394, 160029, 195591, 213372, 260788, 320058, 391182, 480087, 586773, 640116, 782364, 960174, 1173546, 1760319, 1920348, 2347092, 3520638, 5280957, 7041276, 10561914, 21123828]

約数ペア:

[(1, 21123828), (2, 10561914), (3, 7041276), (4, 5280957), (6, 3520638), (9, 2347092), (11, 1920348), (12, 1760319), (18, 1173546), (22, 960174), (27, 782364), (33, 640116), (36, 586773), (44, 480087), (54, 391182), (66, 320058), (81, 260788), (99, 213372), (108, 195591), (132, 160029), (162, 130394), (198, 106686), (297, 71124), (324, 65197), (396, 53343), (594, 35562), (891, 23708), (1188, 17781), (1782, 11854), (3564, 5927)]