21747033

素因数分解:

$3^2\times 7^2\times {\mathrm{11}}^1\times {\mathrm{4483}}^1$

素因数の和:4514

約数の個数: 36

約数和(自身を含む): 39871728

約数和(自身を除く): 18124695

約数列:

[1, 3, 7, 9, 11, 21, 33, 49, 63, 77, 99, 147, 231, 441, 539, 693, 1617, 4483, 4851, 13449, 31381, 40347, 49313, 94143, 147939, 219667, 282429, 345191, 443817, 659001, 1035573, 1977003, 2416337, 3106719, 7249011, 21747033]

約数ペア:

[(1, 21747033), (3, 7249011), (7, 3106719), (9, 2416337), (11, 1977003), (21, 1035573), (33, 659001), (49, 443817), (63, 345191), (77, 282429), (99, 219667), (147, 147939), (231, 94143), (441, 49313), (539, 40347), (693, 31381), (1617, 13449), (4483, 4851)]