21971008

素因数分解:

$2^6\times {\mathrm{211}}^1\times {\mathrm{1627}}^1$

素因数の和:1850

約数の個数: 28

約数和(自身を含む): 43832272

約数和(自身を除く): 21861264

約数列:

[1, 2, 4, 8, 16, 32, 64, 211, 422, 844, 1627, 1688, 3254, 3376, 6508, 6752, 13016, 13504, 26032, 52064, 104128, 343297, 686594, 1373188, 2746376, 5492752, 10985504, 21971008]

約数ペア:

[(1, 21971008), (2, 10985504), (4, 5492752), (8, 2746376), (16, 1373188), (32, 686594), (64, 343297), (211, 104128), (422, 52064), (844, 26032), (1627, 13504), (1688, 13016), (3254, 6752), (3376, 6508)]