21415808

素因数分解:

$2^7\times {\mathrm{167311}}^1$

素因数の和:167325

約数の個数: 16

約数和(自身を含む): 42664560

約数和(自身を除く): 21248752

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 167311, 334622, 669244, 1338488, 2676976, 5353952, 10707904, 21415808]

約数ペア:

[(1, 21415808), (2, 10707904), (4, 5353952), (8, 2676976), (16, 1338488), (32, 669244), (64, 334622), (128, 167311)]