21152733

素因数分解:

$3^1\times 7^1\times {\mathrm{101}}^1\times {\mathrm{9973}}^1$

素因数の和:10084

約数の個数: 16

約数和(自身を含む): 32555136

約数和(自身を除く): 11402403

約数列:

[1, 3, 7, 21, 101, 303, 707, 2121, 9973, 29919, 69811, 209433, 1007273, 3021819, 7050911, 21152733]

約数ペア:

[(1, 21152733), (3, 7050911), (7, 3021819), (21, 1007273), (101, 209433), (303, 69811), (707, 29919), (2121, 9973)]