21444129

素因数分解:

$3^3\times 7^1\times {\mathrm{83}}^1\times {\mathrm{1367}}^1$

素因数の和:1466

約数の個数: 32

約数和(自身を含む): 36771840

約数和(自身を除く): 15327711

約数列:

[1, 3, 7, 9, 21, 27, 63, 83, 189, 249, 581, 747, 1367, 1743, 2241, 4101, 5229, 9569, 12303, 15687, 28707, 36909, 86121, 113461, 258363, 340383, 794227, 1021149, 2382681, 3063447, 7148043, 21444129]

約数ペア:

[(1, 21444129), (3, 7148043), (7, 3063447), (9, 2382681), (21, 1021149), (27, 794227), (63, 340383), (83, 258363), (189, 113461), (249, 86121), (581, 36909), (747, 28707), (1367, 15687), (1743, 12303), (2241, 9569), (4101, 5229)]