21050552018

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{197}}^1\times {\mathrm{1303117}}^1$

素因数の和:1303357

約数の個数: 16

約数和(自身を含む): 32510187864

約数和(自身を除く): 11459635846

約数列:

[1, 2, 41, 82, 197, 394, 8077, 16154, 1303117, 2606234, 53427797, 106855594, 256714049, 513428098, 10525276009, 21050552018]

約数ペア:

[(1, 21050552018), (2, 10525276009), (41, 513428098), (82, 256714049), (197, 106855594), (394, 53427797), (8077, 2606234), (16154, 1303117)]