21093016

素因数分解:

$2^3\times 7^1\times {\mathrm{181}}^1\times {\mathrm{2081}}^1$

素因数の和:2275

約数の個数: 32

約数和(自身を含む): 45470880

約数和(自身を除く): 24377864

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 181, 362, 724, 1267, 1448, 2081, 2534, 4162, 5068, 8324, 10136, 14567, 16648, 29134, 58268, 116536, 376661, 753322, 1506644, 2636627, 3013288, 5273254, 10546508, 21093016]

約数ペア:

[(1, 21093016), (2, 10546508), (4, 5273254), (7, 3013288), (8, 2636627), (14, 1506644), (28, 753322), (56, 376661), (181, 116536), (362, 58268), (724, 29134), (1267, 16648), (1448, 14567), (2081, 10136), (2534, 8324), (4162, 5068)]