21133504

素因数分解:

$2^6\times 7^2\times {\mathrm{23}}^1\times {\mathrm{293}}^1$

素因数の和:342

約数の個数: 84

約数和(自身を含む): 51078384

約数和(自身を除く): 29944880

約数列:

[1, 2, 4, 7, 8, 14, 16, 23, 28, 32, 46, 49, 56, 64, 92, 98, 112, 161, 184, 196, 224, 293, 322, 368, 392, 448, 586, 644, 736, 784, 1127, 1172, 1288, 1472, 1568, 2051, 2254, 2344, 2576, 3136, 4102, 4508, 4688, 5152, 6739, 8204, 9016, 9376, 10304, 13478, 14357, 16408, 18032, 18752, 26956, 28714, 32816, 36064, 47173, 53912, 57428, 65632, 72128, 94346, 107824, 114856, 131264, 188692, 215648, 229712, 330211, 377384, 431296, 459424, 660422, 754768, 918848, 1320844, 1509536, 2641688, 3019072, 5283376, 10566752, 21133504]

約数ペア:

[(1, 21133504), (2, 10566752), (4, 5283376), (7, 3019072), (8, 2641688), (14, 1509536), (16, 1320844), (23, 918848), (28, 754768), (32, 660422), (46, 459424), (49, 431296), (56, 377384), (64, 330211), (92, 229712), (98, 215648), (112, 188692), (161, 131264), (184, 114856), (196, 107824), (224, 94346), (293, 72128), (322, 65632), (368, 57428), (392, 53912), (448, 47173), (586, 36064), (644, 32816), (736, 28714), (784, 26956), (1127, 18752), (1172, 18032), (1288, 16408), (1472, 14357), (1568, 13478), (2051, 10304), (2254, 9376), (2344, 9016), (2576, 8204), (3136, 6739), (4102, 5152), (4508, 4688)]