21772128

素因数分解:

$2^5\times 3^1\times 7^1\times {\mathrm{179}}^1\times {\mathrm{181}}^1$

素因数の和:380

約数の個数: 96

約数和(自身を含む): 66044160

約数和(自身を除く): 44272032

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 179, 181, 224, 336, 358, 362, 537, 543, 672, 716, 724, 1074, 1086, 1253, 1267, 1432, 1448, 2148, 2172, 2506, 2534, 2864, 2896, 3759, 3801, 4296, 4344, 5012, 5068, 5728, 5792, 7518, 7602, 8592, 8688, 10024, 10136, 15036, 15204, 17184, 17376, 20048, 20272, 30072, 30408, 32399, 40096, 40544, 60144, 60816, 64798, 97197, 120288, 121632, 129596, 194394, 226793, 259192, 388788, 453586, 518384, 680379, 777576, 907172, 1036768, 1360758, 1555152, 1814344, 2721516, 3110304, 3628688, 5443032, 7257376, 10886064, 21772128]

約数ペア:

[(1, 21772128), (2, 10886064), (3, 7257376), (4, 5443032), (6, 3628688), (7, 3110304), (8, 2721516), (12, 1814344), (14, 1555152), (16, 1360758), (21, 1036768), (24, 907172), (28, 777576), (32, 680379), (42, 518384), (48, 453586), (56, 388788), (84, 259192), (96, 226793), (112, 194394), (168, 129596), (179, 121632), (181, 120288), (224, 97197), (336, 64798), (358, 60816), (362, 60144), (537, 40544), (543, 40096), (672, 32399), (716, 30408), (724, 30072), (1074, 20272), (1086, 20048), (1253, 17376), (1267, 17184), (1432, 15204), (1448, 15036), (2148, 10136), (2172, 10024), (2506, 8688), (2534, 8592), (2864, 7602), (2896, 7518), (3759, 5792), (3801, 5728), (4296, 5068), (4344, 5012)]