21246976

素因数分解:

$2^{10}\times {\mathrm{20749}}^1$

素因数の和:20769

約数の個数: 22

約数和(自身を含む): 42475250

約数和(自身を除く): 21228274

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 256, 512, 1024, 20749, 41498, 82996, 165992, 331984, 663968, 1327936, 2655872, 5311744, 10623488, 21246976]

約数ペア:

[(1, 21246976), (2, 10623488), (4, 5311744), (8, 2655872), (16, 1327936), (32, 663968), (64, 331984), (128, 165992), (256, 82996), (512, 41498), (1024, 20749)]