21408212224

素因数分解:

$2^8\times 7^1\times {\mathrm{11946547}}^1$

素因数の和:11946570

約数の個数: 36

約数和(自身を含む): 48837488224

約数和(自身を除く): 27429276000

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 256, 448, 896, 1792, 11946547, 23893094, 47786188, 83625829, 95572376, 167251658, 191144752, 334503316, 382289504, 669006632, 764579008, 1338013264, 1529158016, 2676026528, 3058316032, 5352053056, 10704106112, 21408212224]

約数ペア:

[(1, 21408212224), (2, 10704106112), (4, 5352053056), (7, 3058316032), (8, 2676026528), (14, 1529158016), (16, 1338013264), (28, 764579008), (32, 669006632), (56, 382289504), (64, 334503316), (112, 191144752), (128, 167251658), (224, 95572376), (256, 83625829), (448, 47786188), (896, 23893094), (1792, 11946547)]