21854196

素因数分解:

$2^2\times 3^2\times 7^2\times {\mathrm{13}}^1\times {\mathrm{953}}^1$

素因数の和:990

約数の個数: 108

約数和(自身を含む): 69277572

約数和(自身を除く): 47423376

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 13, 14, 18, 21, 26, 28, 36, 39, 42, 49, 52, 63, 78, 84, 91, 98, 117, 126, 147, 156, 182, 196, 234, 252, 273, 294, 364, 441, 468, 546, 588, 637, 819, 882, 953, 1092, 1274, 1638, 1764, 1906, 1911, 2548, 2859, 3276, 3812, 3822, 5718, 5733, 6671, 7644, 8577, 11436, 11466, 12389, 13342, 17154, 20013, 22932, 24778, 26684, 34308, 37167, 40026, 46697, 49556, 60039, 74334, 80052, 86723, 93394, 111501, 120078, 140091, 148668, 173446, 186788, 223002, 240156, 260169, 280182, 346892, 420273, 446004, 520338, 560364, 607061, 780507, 840546, 1040676, 1214122, 1561014, 1681092, 1821183, 2428244, 3122028, 3642366, 5463549, 7284732, 10927098, 21854196]

約数ペア:

[(1, 21854196), (2, 10927098), (3, 7284732), (4, 5463549), (6, 3642366), (7, 3122028), (9, 2428244), (12, 1821183), (13, 1681092), (14, 1561014), (18, 1214122), (21, 1040676), (26, 840546), (28, 780507), (36, 607061), (39, 560364), (42, 520338), (49, 446004), (52, 420273), (63, 346892), (78, 280182), (84, 260169), (91, 240156), (98, 223002), (117, 186788), (126, 173446), (147, 148668), (156, 140091), (182, 120078), (196, 111501), (234, 93394), (252, 86723), (273, 80052), (294, 74334), (364, 60039), (441, 49556), (468, 46697), (546, 40026), (588, 37167), (637, 34308), (819, 26684), (882, 24778), (953, 22932), (1092, 20013), (1274, 17154), (1638, 13342), (1764, 12389), (1906, 11466), (1911, 11436), (2548, 8577), (2859, 7644), (3276, 6671), (3812, 5733), (3822, 5718)]