21344092

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{23}}^2\times {\mathrm{131}}^1$

素因数の和:199

約数の個数: 72

約数和(自身を含む): 49053312

約数和(自身を除く): 27709220

約数列:

[1, 2, 4, 7, 11, 14, 22, 23, 28, 44, 46, 77, 92, 131, 154, 161, 253, 262, 308, 322, 506, 524, 529, 644, 917, 1012, 1058, 1441, 1771, 1834, 2116, 2882, 3013, 3542, 3668, 3703, 5764, 5819, 6026, 7084, 7406, 10087, 11638, 12052, 14812, 20174, 21091, 23276, 33143, 40348, 40733, 42182, 66286, 69299, 81466, 84364, 132572, 138598, 162932, 232001, 277196, 464002, 485093, 762289, 928004, 970186, 1524578, 1940372, 3049156, 5336023, 10672046, 21344092]

約数ペア:

[(1, 21344092), (2, 10672046), (4, 5336023), (7, 3049156), (11, 1940372), (14, 1524578), (22, 970186), (23, 928004), (28, 762289), (44, 485093), (46, 464002), (77, 277196), (92, 232001), (131, 162932), (154, 138598), (161, 132572), (253, 84364), (262, 81466), (308, 69299), (322, 66286), (506, 42182), (524, 40733), (529, 40348), (644, 33143), (917, 23276), (1012, 21091), (1058, 20174), (1441, 14812), (1771, 12052), (1834, 11638), (2116, 10087), (2882, 7406), (3013, 7084), (3542, 6026), (3668, 5819), (3703, 5764)]