21462639

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{547}}^1$

素因数の和:631

約数の個数: 32

約数和(自身を含む): 33143040

約数和(自身を除く): 11680401

約数列:

[1, 3, 11, 29, 33, 41, 87, 123, 319, 451, 547, 957, 1189, 1353, 1641, 3567, 6017, 13079, 15863, 18051, 22427, 39237, 47589, 67281, 174493, 246697, 523479, 650383, 740091, 1951149, 7154213, 21462639]

約数ペア:

[(1, 21462639), (3, 7154213), (11, 1951149), (29, 740091), (33, 650383), (41, 523479), (87, 246697), (123, 174493), (319, 67281), (451, 47589), (547, 39237), (957, 22427), (1189, 18051), (1353, 15863), (1641, 13079), (3567, 6017)]