21095456

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{15331}}^1$

素因数の和:15384

約数の個数: 24

約数和(自身を含む): 42500304

約数和(自身を除く): 21404848

約数列:

[1, 2, 4, 8, 16, 32, 43, 86, 172, 344, 688, 1376, 15331, 30662, 61324, 122648, 245296, 490592, 659233, 1318466, 2636932, 5273864, 10547728, 21095456]

約数ペア:

[(1, 21095456), (2, 10547728), (4, 5273864), (8, 2636932), (16, 1318466), (32, 659233), (43, 490592), (86, 245296), (172, 122648), (344, 61324), (688, 30662), (1376, 15331)]