21626528

素因数分解:

$2^5\times 7^1\times {\mathrm{11}}^1\times {\mathrm{67}}^1\times {\mathrm{131}}^1$

素因数の和:226

約数の個数: 96

約数和(自身を含む): 54286848

約数和(自身を除く): 32660320

約数列:

[1, 2, 4, 7, 8, 11, 14, 16, 22, 28, 32, 44, 56, 67, 77, 88, 112, 131, 134, 154, 176, 224, 262, 268, 308, 352, 469, 524, 536, 616, 737, 917, 938, 1048, 1072, 1232, 1441, 1474, 1834, 1876, 2096, 2144, 2464, 2882, 2948, 3668, 3752, 4192, 5159, 5764, 5896, 7336, 7504, 8777, 10087, 10318, 11528, 11792, 14672, 15008, 17554, 20174, 20636, 23056, 23584, 29344, 35108, 40348, 41272, 46112, 61439, 70216, 80696, 82544, 96547, 122878, 140432, 161392, 165088, 193094, 245756, 280864, 322784, 386188, 491512, 675829, 772376, 983024, 1351658, 1544752, 1966048, 2703316, 3089504, 5406632, 10813264, 21626528]

約数ペア:

[(1, 21626528), (2, 10813264), (4, 5406632), (7, 3089504), (8, 2703316), (11, 1966048), (14, 1544752), (16, 1351658), (22, 983024), (28, 772376), (32, 675829), (44, 491512), (56, 386188), (67, 322784), (77, 280864), (88, 245756), (112, 193094), (131, 165088), (134, 161392), (154, 140432), (176, 122878), (224, 96547), (262, 82544), (268, 80696), (308, 70216), (352, 61439), (469, 46112), (524, 41272), (536, 40348), (616, 35108), (737, 29344), (917, 23584), (938, 23056), (1048, 20636), (1072, 20174), (1232, 17554), (1441, 15008), (1474, 14672), (1834, 11792), (1876, 11528), (2096, 10318), (2144, 10087), (2464, 8777), (2882, 7504), (2948, 7336), (3668, 5896), (3752, 5764), (4192, 5159)]