21821987528

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{167}}^1\times {\mathrm{20341}}^1$

素因数の和:20598

約数の個数: 64

約数和(自身を含む): 45520513920

約数和(自身を除く): 23698526392

約数列:

[1, 2, 4, 8, 11, 22, 44, 73, 88, 146, 167, 292, 334, 584, 668, 803, 1336, 1606, 1837, 3212, 3674, 6424, 7348, 12191, 14696, 20341, 24382, 40682, 48764, 81364, 97528, 134101, 162728, 223751, 268202, 447502, 536404, 895004, 1072808, 1484893, 1790008, 2969786, 3396947, 5939572, 6793894, 11879144, 13587788, 16333823, 27175576, 32667646, 37366417, 65335292, 74732834, 130670584, 149465668, 247977131, 298931336, 495954262, 991908524, 1983817048, 2727748441, 5455496882, 10910993764, 21821987528]

約数ペア:

[(1, 21821987528), (2, 10910993764), (4, 5455496882), (8, 2727748441), (11, 1983817048), (22, 991908524), (44, 495954262), (73, 298931336), (88, 247977131), (146, 149465668), (167, 130670584), (292, 74732834), (334, 65335292), (584, 37366417), (668, 32667646), (803, 27175576), (1336, 16333823), (1606, 13587788), (1837, 11879144), (3212, 6793894), (3674, 5939572), (6424, 3396947), (7348, 2969786), (12191, 1790008), (14696, 1484893), (20341, 1072808), (24382, 895004), (40682, 536404), (48764, 447502), (81364, 268202), (97528, 223751), (134101, 162728)]