21801648

素因数分解:

$2^4\times 3^1\times {\mathrm{11}}^1\times {\mathrm{157}}^1\times {\mathrm{263}}^1$

素因数の和:442

約数の個数: 80

約数和(自身を含む): 62067456

約数和(自身を除く): 40265808

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 16, 22, 24, 33, 44, 48, 66, 88, 132, 157, 176, 263, 264, 314, 471, 526, 528, 628, 789, 942, 1052, 1256, 1578, 1727, 1884, 2104, 2512, 2893, 3156, 3454, 3768, 4208, 5181, 5786, 6312, 6908, 7536, 8679, 10362, 11572, 12624, 13816, 17358, 20724, 23144, 27632, 34716, 41291, 41448, 46288, 69432, 82582, 82896, 123873, 138864, 165164, 247746, 330328, 454201, 495492, 660656, 908402, 990984, 1362603, 1816804, 1981968, 2725206, 3633608, 5450412, 7267216, 10900824, 21801648]

約数ペア:

[(1, 21801648), (2, 10900824), (3, 7267216), (4, 5450412), (6, 3633608), (8, 2725206), (11, 1981968), (12, 1816804), (16, 1362603), (22, 990984), (24, 908402), (33, 660656), (44, 495492), (48, 454201), (66, 330328), (88, 247746), (132, 165164), (157, 138864), (176, 123873), (263, 82896), (264, 82582), (314, 69432), (471, 46288), (526, 41448), (528, 41291), (628, 34716), (789, 27632), (942, 23144), (1052, 20724), (1256, 17358), (1578, 13816), (1727, 12624), (1884, 11572), (2104, 10362), (2512, 8679), (2893, 7536), (3156, 6908), (3454, 6312), (3768, 5786), (4208, 5181)]