21262839

素因数分解:

$3^1\times {\mathrm{13}}^1\times {\mathrm{457}}^1\times {\mathrm{1193}}^1$

素因数の和:1666

約数の個数: 16

約数和(自身を含む): 30623712

約数和(自身を除く): 9360873

約数列:

[1, 3, 13, 39, 457, 1193, 1371, 3579, 5941, 15509, 17823, 46527, 545201, 1635603, 7087613, 21262839]

約数ペア:

[(1, 21262839), (3, 7087613), (13, 1635603), (39, 545201), (457, 46527), (1193, 17823), (1371, 15509), (3579, 5941)]