21556623

素因数分解:

$3^1\times {\mathrm{11}}^1\times {\mathrm{313}}^1\times {\mathrm{2087}}^1$

素因数の和:2414

約数の個数: 16

約数和(自身を含む): 31470336

約数和(自身を除く): 9913713

約数列:

[1, 3, 11, 33, 313, 939, 2087, 3443, 6261, 10329, 22957, 68871, 653231, 1959693, 7185541, 21556623]

約数ペア:

[(1, 21556623), (3, 7185541), (11, 1959693), (33, 653231), (313, 68871), (939, 22957), (2087, 10329), (3443, 6261)]