21190528

素因数分解:

$2^7\times {\mathrm{165551}}^1$

素因数の和:165565

約数の個数: 16

約数和(自身を含む): 42215760

約数和(自身を除く): 21025232

約数列:

[1, 2, 4, 8, 16, 32, 64, 128, 165551, 331102, 662204, 1324408, 2648816, 5297632, 10595264, 21190528]

約数ペア:

[(1, 21190528), (2, 10595264), (4, 5297632), (8, 2648816), (16, 1324408), (32, 662204), (64, 331102), (128, 165551)]