21204504

素因数分解:

$2^3\times 3^4\times {\mathrm{43}}^1\times {\mathrm{761}}^1$

素因数の和:822

約数の個数: 80

約数和(自身を含む): 60853320

約数和(自身を除く): 39648816

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 43, 54, 72, 81, 86, 108, 129, 162, 172, 216, 258, 324, 344, 387, 516, 648, 761, 774, 1032, 1161, 1522, 1548, 2283, 2322, 3044, 3096, 3483, 4566, 4644, 6088, 6849, 6966, 9132, 9288, 13698, 13932, 18264, 20547, 27396, 27864, 32723, 41094, 54792, 61641, 65446, 82188, 98169, 123282, 130892, 164376, 196338, 246564, 261784, 294507, 392676, 493128, 589014, 785352, 883521, 1178028, 1767042, 2356056, 2650563, 3534084, 5301126, 7068168, 10602252, 21204504]

約数ペア:

[(1, 21204504), (2, 10602252), (3, 7068168), (4, 5301126), (6, 3534084), (8, 2650563), (9, 2356056), (12, 1767042), (18, 1178028), (24, 883521), (27, 785352), (36, 589014), (43, 493128), (54, 392676), (72, 294507), (81, 261784), (86, 246564), (108, 196338), (129, 164376), (162, 130892), (172, 123282), (216, 98169), (258, 82188), (324, 65446), (344, 61641), (387, 54792), (516, 41094), (648, 32723), (761, 27864), (774, 27396), (1032, 20547), (1161, 18264), (1522, 13932), (1548, 13698), (2283, 9288), (2322, 9132), (3044, 6966), (3096, 6849), (3483, 6088), (4566, 4644)]