21018496

素因数分解:

$2^7\times {\mathrm{31}}^1\times {\mathrm{5297}}^1$

素因数の和:5342

約数の個数: 32

約数和(自身を含む): 43231680

約数和(自身を除く): 22213184

約数列:

[1, 2, 4, 8, 16, 31, 32, 62, 64, 124, 128, 248, 496, 992, 1984, 3968, 5297, 10594, 21188, 42376, 84752, 164207, 169504, 328414, 339008, 656828, 678016, 1313656, 2627312, 5254624, 10509248, 21018496]

約数ペア:

[(1, 21018496), (2, 10509248), (4, 5254624), (8, 2627312), (16, 1313656), (31, 678016), (32, 656828), (62, 339008), (64, 328414), (124, 169504), (128, 164207), (248, 84752), (496, 42376), (992, 21188), (1984, 10594), (3968, 5297)]