21589776

素因数分解:

$2^4\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{607}}^1$

素因数の和:653

約数の個数: 120

約数和(自身を含む): 68606720

約数和(自身を除く): 47016944

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 19, 24, 26, 36, 38, 39, 48, 52, 57, 72, 76, 78, 104, 114, 117, 144, 152, 156, 171, 208, 228, 234, 247, 304, 312, 342, 456, 468, 494, 607, 624, 684, 741, 912, 936, 988, 1214, 1368, 1482, 1821, 1872, 1976, 2223, 2428, 2736, 2964, 3642, 3952, 4446, 4856, 5463, 5928, 7284, 7891, 8892, 9712, 10926, 11533, 11856, 14568, 15782, 17784, 21852, 23066, 23673, 29136, 31564, 34599, 35568, 43704, 46132, 47346, 63128, 69198, 71019, 87408, 92264, 94692, 103797, 126256, 138396, 142038, 149929, 184528, 189384, 207594, 276792, 284076, 299858, 378768, 415188, 449787, 553584, 568152, 599716, 830376, 899574, 1136304, 1199432, 1349361, 1660752, 1799148, 2398864, 2698722, 3598296, 5397444, 7196592, 10794888, 21589776]

約数ペア:

[(1, 21589776), (2, 10794888), (3, 7196592), (4, 5397444), (6, 3598296), (8, 2698722), (9, 2398864), (12, 1799148), (13, 1660752), (16, 1349361), (18, 1199432), (19, 1136304), (24, 899574), (26, 830376), (36, 599716), (38, 568152), (39, 553584), (48, 449787), (52, 415188), (57, 378768), (72, 299858), (76, 284076), (78, 276792), (104, 207594), (114, 189384), (117, 184528), (144, 149929), (152, 142038), (156, 138396), (171, 126256), (208, 103797), (228, 94692), (234, 92264), (247, 87408), (304, 71019), (312, 69198), (342, 63128), (456, 47346), (468, 46132), (494, 43704), (607, 35568), (624, 34599), (684, 31564), (741, 29136), (912, 23673), (936, 23066), (988, 21852), (1214, 17784), (1368, 15782), (1482, 14568), (1821, 11856), (1872, 11533), (1976, 10926), (2223, 9712), (2428, 8892), (2736, 7891), (2964, 7284), (3642, 5928), (3952, 5463), (4446, 4856)]