21139941779

素因数分解:

${\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1297}}^1\times {\mathrm{2027}}^1$

素因数の和:3395

約数の個数: 32

約数和(自身を含む): 25017797376

約数和(自身を除く): 3877855597

約数列:

[1, 11, 17, 43, 187, 473, 731, 1297, 2027, 8041, 14267, 22049, 22297, 34459, 55771, 87161, 242539, 379049, 613481, 948107, 958771, 1481737, 2629019, 10429177, 16299107, 28919209, 44693323, 113047817, 491626553, 1243525987, 1921812889, 21139941779]

約数ペア:

[(1, 21139941779), (11, 1921812889), (17, 1243525987), (43, 491626553), (187, 113047817), (473, 44693323), (731, 28919209), (1297, 16299107), (2027, 10429177), (8041, 2629019), (14267, 1481737), (22049, 958771), (22297, 948107), (34459, 613481), (55771, 379049), (87161, 242539)]