21790976

素因数分解:

$2^8\times {\mathrm{85121}}^1$

素因数の和:85137

約数の個数: 18

約数和(自身を含む): 43497342

約数和(自身を除く): 21706366

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 85121, 170242, 340484, 680968, 1361936, 2723872, 5447744, 10895488, 21790976]

約数ペア:

[(1, 21790976), (2, 10895488), (4, 5447744), (8, 2723872), (16, 1361936), (32, 680968), (64, 340484), (128, 170242), (256, 85121)]