21448641

素因数分解:

$3^1\times {\mathrm{37}}^1\times {\mathrm{73}}^1\times {\mathrm{2647}}^1$

素因数の和:2760

約数の個数: 16

約数和(自身を含む): 29784704

約数和(自身を除く): 8336063

約数列:

[1, 3, 37, 73, 111, 219, 2647, 2701, 7941, 8103, 97939, 193231, 293817, 579693, 7149547, 21448641]

約数ペア:

[(1, 21448641), (3, 7149547), (37, 579693), (73, 293817), (111, 193231), (219, 97939), (2647, 8103), (2701, 7941)]