21758256

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{59}}^1\times {\mathrm{197}}^1$

素因数の和:283

約数の個数: 120

約数和(自身を含む): 67026960

約数和(自身を除く): 45268704

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 36, 39, 48, 52, 59, 72, 78, 104, 117, 118, 144, 156, 177, 197, 208, 234, 236, 312, 354, 394, 468, 472, 531, 591, 624, 708, 767, 788, 936, 944, 1062, 1182, 1416, 1534, 1576, 1773, 1872, 2124, 2301, 2364, 2561, 2832, 3068, 3152, 3546, 4248, 4602, 4728, 5122, 6136, 6903, 7092, 7683, 8496, 9204, 9456, 10244, 11623, 12272, 13806, 14184, 15366, 18408, 20488, 23049, 23246, 27612, 28368, 30732, 34869, 36816, 40976, 46098, 46492, 55224, 61464, 69738, 92196, 92984, 104607, 110448, 122928, 139476, 151099, 184392, 185968, 209214, 278952, 302198, 368784, 418428, 453297, 557904, 604396, 836856, 906594, 1208792, 1359891, 1673712, 1813188, 2417584, 2719782, 3626376, 5439564, 7252752, 10879128, 21758256]

約数ペア:

[(1, 21758256), (2, 10879128), (3, 7252752), (4, 5439564), (6, 3626376), (8, 2719782), (9, 2417584), (12, 1813188), (13, 1673712), (16, 1359891), (18, 1208792), (24, 906594), (26, 836856), (36, 604396), (39, 557904), (48, 453297), (52, 418428), (59, 368784), (72, 302198), (78, 278952), (104, 209214), (117, 185968), (118, 184392), (144, 151099), (156, 139476), (177, 122928), (197, 110448), (208, 104607), (234, 92984), (236, 92196), (312, 69738), (354, 61464), (394, 55224), (468, 46492), (472, 46098), (531, 40976), (591, 36816), (624, 34869), (708, 30732), (767, 28368), (788, 27612), (936, 23246), (944, 23049), (1062, 20488), (1182, 18408), (1416, 15366), (1534, 14184), (1576, 13806), (1773, 12272), (1872, 11623), (2124, 10244), (2301, 9456), (2364, 9204), (2561, 8496), (2832, 7683), (3068, 7092), (3152, 6903), (3546, 6136), (4248, 5122), (4602, 4728)]