21536004

素因数分解:

$2^2\times 3^1\times 7^1\times {\mathrm{23}}^1\times {\mathrm{71}}^1\times {\mathrm{157}}^1$

素因数の和:265

約数の個数: 96

約数和(自身を含む): 61157376

約数和(自身を除く): 39621372

約数列:

[1, 2, 3, 4, 6, 7, 12, 14, 21, 23, 28, 42, 46, 69, 71, 84, 92, 138, 142, 157, 161, 213, 276, 284, 314, 322, 426, 471, 483, 497, 628, 644, 852, 942, 966, 994, 1099, 1491, 1633, 1884, 1932, 1988, 2198, 2982, 3266, 3297, 3611, 4396, 4899, 5964, 6532, 6594, 7222, 9798, 10833, 11147, 11431, 13188, 14444, 19596, 21666, 22294, 22862, 25277, 33441, 34293, 43332, 44588, 45724, 50554, 66882, 68586, 75831, 78029, 101108, 133764, 137172, 151662, 156058, 234087, 256381, 303324, 312116, 468174, 512762, 769143, 936348, 1025524, 1538286, 1794667, 3076572, 3589334, 5384001, 7178668, 10768002, 21536004]

約数ペア:

[(1, 21536004), (2, 10768002), (3, 7178668), (4, 5384001), (6, 3589334), (7, 3076572), (12, 1794667), (14, 1538286), (21, 1025524), (23, 936348), (28, 769143), (42, 512762), (46, 468174), (69, 312116), (71, 303324), (84, 256381), (92, 234087), (138, 156058), (142, 151662), (157, 137172), (161, 133764), (213, 101108), (276, 78029), (284, 75831), (314, 68586), (322, 66882), (426, 50554), (471, 45724), (483, 44588), (497, 43332), (628, 34293), (644, 33441), (852, 25277), (942, 22862), (966, 22294), (994, 21666), (1099, 19596), (1491, 14444), (1633, 13188), (1884, 11431), (1932, 11147), (1988, 10833), (2198, 9798), (2982, 7222), (3266, 6594), (3297, 6532), (3611, 5964), (4396, 4899)]