21330592

素因数分解:

$2^5\times {\mathrm{53}}^1\times {\mathrm{12577}}^1$

素因数の和:12640

約数の個数: 24

約数和(自身を含む): 42790356

約数和(自身を除く): 21459764

約数列:

[1, 2, 4, 8, 16, 32, 53, 106, 212, 424, 848, 1696, 12577, 25154, 50308, 100616, 201232, 402464, 666581, 1333162, 2666324, 5332648, 10665296, 21330592]

約数ペア:

[(1, 21330592), (2, 10665296), (4, 5332648), (8, 2666324), (16, 1333162), (32, 666581), (53, 402464), (106, 201232), (212, 100616), (424, 50308), (848, 25154), (1696, 12577)]