21580668

素因数分解:

$2^2\times 3^4\times {\mathrm{43}}^1\times {\mathrm{1549}}^1$

素因数の和:1608

約数の個数: 60

約数和(自身を含む): 57765400

約数和(自身を除く): 36184732

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 81, 86, 108, 129, 162, 172, 258, 324, 387, 516, 774, 1161, 1548, 1549, 2322, 3098, 3483, 4644, 4647, 6196, 6966, 9294, 13932, 13941, 18588, 27882, 41823, 55764, 66607, 83646, 125469, 133214, 167292, 199821, 250938, 266428, 399642, 501876, 599463, 799284, 1198926, 1798389, 2397852, 3596778, 5395167, 7193556, 10790334, 21580668]

約数ペア:

[(1, 21580668), (2, 10790334), (3, 7193556), (4, 5395167), (6, 3596778), (9, 2397852), (12, 1798389), (18, 1198926), (27, 799284), (36, 599463), (43, 501876), (54, 399642), (81, 266428), (86, 250938), (108, 199821), (129, 167292), (162, 133214), (172, 125469), (258, 83646), (324, 66607), (387, 55764), (516, 41823), (774, 27882), (1161, 18588), (1548, 13941), (1549, 13932), (2322, 9294), (3098, 6966), (3483, 6196), (4644, 4647)]