21007424

素因数分解:

$2^6\times {\mathrm{61}}^1\times {\mathrm{5381}}^1$

素因数の和:5454

約数の個数: 28

約数和(自身を含む): 42377868

約数和(自身を除く): 21370444

約数列:

[1, 2, 4, 8, 16, 32, 61, 64, 122, 244, 488, 976, 1952, 3904, 5381, 10762, 21524, 43048, 86096, 172192, 328241, 344384, 656482, 1312964, 2625928, 5251856, 10503712, 21007424]

約数ペア:

[(1, 21007424), (2, 10503712), (4, 5251856), (8, 2625928), (16, 1312964), (32, 656482), (61, 344384), (64, 328241), (122, 172192), (244, 86096), (488, 43048), (976, 21524), (1952, 10762), (3904, 5381)]