21420464128

素因数分解:

$2^{11}\times 7^1\times {\mathrm{743}}^1\times {\mathrm{2011}}^1$

素因数の和:2783

約数の個数: 96

約数和(自身を含む): 49039361280

約数和(自身を除く): 27618897152

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 512, 743, 896, 1024, 1486, 1792, 2011, 2048, 2972, 3584, 4022, 5201, 5944, 7168, 8044, 10402, 11888, 14077, 14336, 16088, 20804, 23776, 28154, 32176, 41608, 47552, 56308, 64352, 83216, 95104, 112616, 128704, 166432, 190208, 225232, 257408, 332864, 380416, 450464, 514816, 665728, 760832, 900928, 1029632, 1331456, 1494173, 1521664, 1801856, 2059264, 2662912, 2988346, 3603712, 4118528, 5325824, 5976692, 7207424, 10459211, 10651648, 11953384, 14414848, 20918422, 23906768, 28829696, 41836844, 47813536, 83673688, 95627072, 167347376, 191254144, 334694752, 382508288, 669389504, 765016576, 1338779008, 1530033152, 2677558016, 3060066304, 5355116032, 10710232064, 21420464128]

約数ペア:

[(1, 21420464128), (2, 10710232064), (4, 5355116032), (7, 3060066304), (8, 2677558016), (14, 1530033152), (16, 1338779008), (28, 765016576), (32, 669389504), (56, 382508288), (64, 334694752), (112, 191254144), (128, 167347376), (224, 95627072), (256, 83673688), (448, 47813536), (512, 41836844), (743, 28829696), (896, 23906768), (1024, 20918422), (1486, 14414848), (1792, 11953384), (2011, 10651648), (2048, 10459211), (2972, 7207424), (3584, 5976692), (4022, 5325824), (5201, 4118528), (5944, 3603712), (7168, 2988346), (8044, 2662912), (10402, 2059264), (11888, 1801856), (14077, 1521664), (14336, 1494173), (16088, 1331456), (20804, 1029632), (23776, 900928), (28154, 760832), (32176, 665728), (41608, 514816), (47552, 450464), (56308, 380416), (64352, 332864), (83216, 257408), (95104, 225232), (112616, 190208), (128704, 166432)]