21122632223

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{709}}^1\times {\mathrm{1783}}^1$

素因数の和:2548

約数の個数: 48

約数和(自身を含む): 27724216320

約数和(自身を除く): 6601584097

約数列:

[1, 7, 11, 31, 49, 77, 217, 341, 539, 709, 1519, 1783, 2387, 4963, 7799, 12481, 16709, 19613, 21979, 34741, 54593, 55273, 87367, 137291, 153853, 241769, 382151, 386911, 608003, 961037, 1076971, 1264147, 1692383, 2708377, 4256021, 8849029, 11846681, 13905617, 29792147, 39188557, 61943203, 97339319, 274319899, 431074127, 681375233, 1920239293, 3017518889, 21122632223]

約数ペア:

[(1, 21122632223), (7, 3017518889), (11, 1920239293), (31, 681375233), (49, 431074127), (77, 274319899), (217, 97339319), (341, 61943203), (539, 39188557), (709, 29792147), (1519, 13905617), (1783, 11846681), (2387, 8849029), (4963, 4256021), (7799, 2708377), (12481, 1692383), (16709, 1264147), (19613, 1076971), (21979, 961037), (34741, 608003), (54593, 386911), (55273, 382151), (87367, 241769), (137291, 153853)]