21542538

素因数分解:

$2^1\times 3^1\times {\mathrm{313}}^1\times {\mathrm{11471}}^1$

素因数の和:11789

約数の個数: 16

約数和(自身を含む): 43226496

約数和(自身を除く): 21683958

約数列:

[1, 2, 3, 6, 313, 626, 939, 1878, 11471, 22942, 34413, 68826, 3590423, 7180846, 10771269, 21542538]

約数ペア:

[(1, 21542538), (2, 10771269), (3, 7180846), (6, 3590423), (313, 68826), (626, 34413), (939, 22942), (1878, 11471)]