About the Number
21002688
2進数表記:1010000000111100111000000
漢数字表記:二千百万二千六百八十八
素因数分解:
素因数の和:5234
約数の個数: 84
約数和(自身を含む): 68813680
約数和(自身を除く): 47810992
約数列:
[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 48, 56, 63, 64, 72, 84, 96, 112, 126, 144, 168, 192, 224, 252, 288, 336, 448, 504, 576, 672, 1008, 1344, 2016, 4032, 5209, 10418, 15627, 20836, 31254, 36463, 41672, 46881, 62508, 72926, 83344, 93762, 109389, 125016, 145852, 166688, 187524, 218778, 250032, 291704, 328167, 333376, 375048, 437556, 500064, 583408, 656334, 750096, 875112, 1000128, 1166816, 1312668, 1500192, 1750224, 2333632, 2625336, 3000384, 3500448, 5250672, 7000896, 10501344, 21002688]
約数ペア:
[(1, 21002688), (2, 10501344), (3, 7000896), (4, 5250672), (6, 3500448), (7, 3000384), (8, 2625336), (9, 2333632), (12, 1750224), (14, 1500192), (16, 1312668), (18, 1166816), (21, 1000128), (24, 875112), (28, 750096), (32, 656334), (36, 583408), (42, 500064), (48, 437556), (56, 375048), (63, 333376), (64, 328167), (72, 291704), (84, 250032), (96, 218778), (112, 187524), (126, 166688), (144, 145852), (168, 125016), (192, 109389), (224, 93762), (252, 83344), (288, 72926), (336, 62508), (448, 46881), (504, 41672), (576, 36463), (672, 31254), (1008, 20836), (1344, 15627), (2016, 10418), (4032, 5209)]このpageの処理時間: 0.006394386291503906 seconds