21706816

素因数分解:

$2^6\times {\mathrm{19}}^1\times {\mathrm{17851}}^1$

素因数の和:17882

約数の個数: 28

約数和(自身を含む): 45344080

約数和(自身を除く): 23637264

約数列:

[1, 2, 4, 8, 16, 19, 32, 38, 64, 76, 152, 304, 608, 1216, 17851, 35702, 71404, 142808, 285616, 339169, 571232, 678338, 1142464, 1356676, 2713352, 5426704, 10853408, 21706816]

約数ペア:

[(1, 21706816), (2, 10853408), (4, 5426704), (8, 2713352), (16, 1356676), (19, 1142464), (32, 678338), (38, 571232), (64, 339169), (76, 285616), (152, 142808), (304, 71404), (608, 35702), (1216, 17851)]