21221186868

素因数分解:

$2^2\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{1021}}^1\times {\mathrm{1447}}^1$

素因数の和:2507

約数の個数: 192

約数和(自身を含む): 66297548800

約数和(自身を除く): 45076361932

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 19, 21, 27, 28, 36, 38, 42, 54, 57, 63, 76, 84, 108, 114, 126, 133, 171, 189, 228, 252, 266, 342, 378, 399, 513, 532, 684, 756, 798, 1021, 1026, 1197, 1447, 1596, 2042, 2052, 2394, 2894, 3063, 3591, 4084, 4341, 4788, 5788, 6126, 7147, 7182, 8682, 9189, 10129, 12252, 13023, 14294, 14364, 17364, 18378, 19399, 20258, 21441, 26046, 27493, 27567, 28588, 30387, 36756, 38798, 39069, 40516, 42882, 52092, 54986, 55134, 58197, 60774, 64323, 77596, 78138, 82479, 85764, 91161, 109972, 110268, 116394, 121548, 128646, 135793, 156276, 164958, 174591, 182322, 192451, 192969, 232788, 247437, 257292, 271586, 273483, 329916, 349182, 364644, 384902, 385938, 407379, 494874, 523773, 543172, 546966, 577353, 698364, 742311, 769804, 771876, 814758, 989748, 1047546, 1093932, 1154706, 1222137, 1477387, 1484622, 1629516, 1732059, 2095092, 2309412, 2444274, 2954774, 2969244, 3464118, 3666411, 4432161, 4888548, 5196177, 5909548, 6928236, 7332822, 8864322, 10341709, 10392354, 13296483, 14665644, 17728644, 20683418, 20784708, 26592966, 28070353, 31025127, 39889449, 41366836, 53185932, 56140706, 62050254, 79778898, 84211059, 93075381, 112281412, 124100508, 159557796, 168422118, 186150762, 196492471, 252633177, 279226143, 336844236, 372301524, 392984942, 505266354, 558452286, 589477413, 757899531, 785969884, 1010532708, 1116904572, 1178954826, 1515799062, 1768432239, 2357909652, 3031598124, 3536864478, 5305296717, 7073728956, 10610593434, 21221186868]

約数ペア:

[(1, 21221186868), (2, 10610593434), (3, 7073728956), (4, 5305296717), (6, 3536864478), (7, 3031598124), (9, 2357909652), (12, 1768432239), (14, 1515799062), (18, 1178954826), (19, 1116904572), (21, 1010532708), (27, 785969884), (28, 757899531), (36, 589477413), (38, 558452286), (42, 505266354), (54, 392984942), (57, 372301524), (63, 336844236), (76, 279226143), (84, 252633177), (108, 196492471), (114, 186150762), (126, 168422118), (133, 159557796), (171, 124100508), (189, 112281412), (228, 93075381), (252, 84211059), (266, 79778898), (342, 62050254), (378, 56140706), (399, 53185932), (513, 41366836), (532, 39889449), (684, 31025127), (756, 28070353), (798, 26592966), (1021, 20784708), (1026, 20683418), (1197, 17728644), (1447, 14665644), (1596, 13296483), (2042, 10392354), (2052, 10341709), (2394, 8864322), (2894, 7332822), (3063, 6928236), (3591, 5909548), (4084, 5196177), (4341, 4888548), (4788, 4432161), (5788, 3666411), (6126, 3464118), (7147, 2969244), (7182, 2954774), (8682, 2444274), (9189, 2309412), (10129, 2095092), (12252, 1732059), (13023, 1629516), (14294, 1484622), (14364, 1477387), (17364, 1222137), (18378, 1154706), (19399, 1093932), (20258, 1047546), (21441, 989748), (26046, 814758), (27493, 771876), (27567, 769804), (28588, 742311), (30387, 698364), (36756, 577353), (38798, 546966), (39069, 543172), (40516, 523773), (42882, 494874), (52092, 407379), (54986, 385938), (55134, 384902), (58197, 364644), (60774, 349182), (64323, 329916), (77596, 273483), (78138, 271586), (82479, 257292), (85764, 247437), (91161, 232788), (109972, 192969), (110268, 192451), (116394, 182322), (121548, 174591), (128646, 164958), (135793, 156276)]