21000496935

素因数分解:

$3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{4105669}}^1$

素因数の和:4105719

約数の個数: 32

約数和(自身を含む): 37837854720

約数和(自身を除く): 16837357785

約数列:

[1, 3, 5, 11, 15, 31, 33, 55, 93, 155, 165, 341, 465, 1023, 1705, 5115, 4105669, 12317007, 20528345, 45162359, 61585035, 127275739, 135487077, 225811795, 381827217, 636378695, 677435385, 1400033129, 1909136085, 4200099387, 7000165645, 21000496935]

約数ペア:

[(1, 21000496935), (3, 7000165645), (5, 4200099387), (11, 1909136085), (15, 1400033129), (31, 677435385), (33, 636378695), (55, 381827217), (93, 225811795), (155, 135487077), (165, 127275739), (341, 61585035), (465, 45162359), (1023, 20528345), (1705, 12317007), (5115, 4105669)]