21451203984

素因数分解:

$2^4\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{541}}^1\times {\mathrm{6211}}^1$

素因数の和:6789

約数の個数: 160

約数和(自身を含む): 66799375360

約数和(自身を除く): 45348171376

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 19, 21, 24, 28, 38, 42, 48, 56, 57, 76, 84, 112, 114, 133, 152, 168, 228, 266, 304, 336, 399, 456, 532, 541, 798, 912, 1064, 1082, 1596, 1623, 2128, 2164, 3192, 3246, 3787, 4328, 6211, 6384, 6492, 7574, 8656, 10279, 11361, 12422, 12984, 15148, 18633, 20558, 22722, 24844, 25968, 30296, 30837, 37266, 41116, 43477, 45444, 49688, 60592, 61674, 71953, 74532, 82232, 86954, 90888, 99376, 118009, 123348, 130431, 143906, 149064, 164464, 173908, 181776, 215859, 236018, 246696, 260862, 287812, 298128, 347816, 354027, 431718, 472036, 493392, 521724, 575624, 695632, 708054, 826063, 863436, 944072, 1043448, 1151248, 1416108, 1652126, 1726872, 1888144, 2086896, 2478189, 2832216, 3304252, 3360151, 3453744, 4956378, 5664432, 6608504, 6720302, 9912756, 10080453, 13217008, 13440604, 19825512, 20160906, 23521057, 26881208, 39651024, 40321812, 47042114, 53762416, 63842869, 70563171, 80643624, 94084228, 127685738, 141126342, 161287248, 188168456, 191528607, 255371476, 282252684, 376336912, 383057214, 446900083, 510742952, 564505368, 766114428, 893800166, 1021485904, 1129010736, 1340700249, 1532228856, 1787600332, 2681400498, 3064457712, 3575200664, 5362800996, 7150401328, 10725601992, 21451203984]

約数ペア:

[(1, 21451203984), (2, 10725601992), (3, 7150401328), (4, 5362800996), (6, 3575200664), (7, 3064457712), (8, 2681400498), (12, 1787600332), (14, 1532228856), (16, 1340700249), (19, 1129010736), (21, 1021485904), (24, 893800166), (28, 766114428), (38, 564505368), (42, 510742952), (48, 446900083), (56, 383057214), (57, 376336912), (76, 282252684), (84, 255371476), (112, 191528607), (114, 188168456), (133, 161287248), (152, 141126342), (168, 127685738), (228, 94084228), (266, 80643624), (304, 70563171), (336, 63842869), (399, 53762416), (456, 47042114), (532, 40321812), (541, 39651024), (798, 26881208), (912, 23521057), (1064, 20160906), (1082, 19825512), (1596, 13440604), (1623, 13217008), (2128, 10080453), (2164, 9912756), (3192, 6720302), (3246, 6608504), (3787, 5664432), (4328, 4956378), (6211, 3453744), (6384, 3360151), (6492, 3304252), (7574, 2832216), (8656, 2478189), (10279, 2086896), (11361, 1888144), (12422, 1726872), (12984, 1652126), (15148, 1416108), (18633, 1151248), (20558, 1043448), (22722, 944072), (24844, 863436), (25968, 826063), (30296, 708054), (30837, 695632), (37266, 575624), (41116, 521724), (43477, 493392), (45444, 472036), (49688, 431718), (60592, 354027), (61674, 347816), (71953, 298128), (74532, 287812), (82232, 260862), (86954, 246696), (90888, 236018), (99376, 215859), (118009, 181776), (123348, 173908), (130431, 164464), (143906, 149064)]