21320604

素因数分解:

$2^2\times 3^3\times {\mathrm{43}}^1\times {\mathrm{4591}}^1$

素因数の和:4647

約数の個数: 48

約数和(自身を含む): 56573440

約数和(自身を除く): 35252836

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 43, 54, 86, 108, 129, 172, 258, 387, 516, 774, 1161, 1548, 2322, 4591, 4644, 9182, 13773, 18364, 27546, 41319, 55092, 82638, 123957, 165276, 197413, 247914, 394826, 495828, 592239, 789652, 1184478, 1776717, 2368956, 3553434, 5330151, 7106868, 10660302, 21320604]

約数ペア:

[(1, 21320604), (2, 10660302), (3, 7106868), (4, 5330151), (6, 3553434), (9, 2368956), (12, 1776717), (18, 1184478), (27, 789652), (36, 592239), (43, 495828), (54, 394826), (86, 247914), (108, 197413), (129, 165276), (172, 123957), (258, 82638), (387, 55092), (516, 41319), (774, 27546), (1161, 18364), (1548, 13773), (2322, 9182), (4591, 4644)]