21191346

素因数分解:

$2^1\times 3^2\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{131}}^1$

素因数の和:212

約数の個数: 96

約数和(自身を含む): 54362880

約数和(自身を除く): 33171534

約数列:

[1, 2, 3, 6, 9, 11, 18, 19, 22, 33, 38, 43, 57, 66, 86, 99, 114, 129, 131, 171, 198, 209, 258, 262, 342, 387, 393, 418, 473, 627, 774, 786, 817, 946, 1179, 1254, 1419, 1441, 1634, 1881, 2358, 2451, 2489, 2838, 2882, 3762, 4257, 4323, 4902, 4978, 5633, 7353, 7467, 8514, 8646, 8987, 11266, 12969, 14706, 14934, 16899, 17974, 22401, 25938, 26961, 27379, 33798, 44802, 50697, 53922, 54758, 61963, 80883, 82137, 101394, 107027, 123926, 161766, 164274, 185889, 214054, 246411, 321081, 371778, 492822, 557667, 642162, 963243, 1115334, 1177297, 1926486, 2354594, 3531891, 7063782, 10595673, 21191346]

約数ペア:

[(1, 21191346), (2, 10595673), (3, 7063782), (6, 3531891), (9, 2354594), (11, 1926486), (18, 1177297), (19, 1115334), (22, 963243), (33, 642162), (38, 557667), (43, 492822), (57, 371778), (66, 321081), (86, 246411), (99, 214054), (114, 185889), (129, 164274), (131, 161766), (171, 123926), (198, 107027), (209, 101394), (258, 82137), (262, 80883), (342, 61963), (387, 54758), (393, 53922), (418, 50697), (473, 44802), (627, 33798), (774, 27379), (786, 26961), (817, 25938), (946, 22401), (1179, 17974), (1254, 16899), (1419, 14934), (1441, 14706), (1634, 12969), (1881, 11266), (2358, 8987), (2451, 8646), (2489, 8514), (2838, 7467), (2882, 7353), (3762, 5633), (4257, 4978), (4323, 4902)]