21882555

素因数分解:

$3^4\times 5^1\times {\mathrm{71}}^1\times {\mathrm{761}}^1$

素因数の和:849

約数の個数: 40

約数和(自身を含む): 39831264

約数和(自身を除く): 17948709

約数列:

[1, 3, 5, 9, 15, 27, 45, 71, 81, 135, 213, 355, 405, 639, 761, 1065, 1917, 2283, 3195, 3805, 5751, 6849, 9585, 11415, 20547, 28755, 34245, 54031, 61641, 102735, 162093, 270155, 308205, 486279, 810465, 1458837, 2431395, 4376511, 7294185, 21882555]

約数ペア:

[(1, 21882555), (3, 7294185), (5, 4376511), (9, 2431395), (15, 1458837), (27, 810465), (45, 486279), (71, 308205), (81, 270155), (135, 162093), (213, 102735), (355, 61641), (405, 54031), (639, 34245), (761, 28755), (1065, 20547), (1917, 11415), (2283, 9585), (3195, 6849), (3805, 5751)]