21478016

素因数分解:

$2^7\times 7^1\times {\mathrm{23971}}^1$

素因数の和:23992

約数の個数: 32

約数和(自身を含む): 48902880

約数和(自身を除く): 27424864

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 32, 56, 64, 112, 128, 224, 448, 896, 23971, 47942, 95884, 167797, 191768, 335594, 383536, 671188, 767072, 1342376, 1534144, 2684752, 3068288, 5369504, 10739008, 21478016]

約数ペア:

[(1, 21478016), (2, 10739008), (4, 5369504), (7, 3068288), (8, 2684752), (14, 1534144), (16, 1342376), (28, 767072), (32, 671188), (56, 383536), (64, 335594), (112, 191768), (128, 167797), (224, 95884), (448, 47942), (896, 23971)]