21551814

素因数分解:

$2^1\times 3^2\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1$

素因数の和:150

約数の個数: 96

約数和(自身を含む): 53071200

約数和(自身を除く): 31519386

約数列:

[1, 2, 3, 6, 9, 18, 19, 29, 38, 41, 53, 57, 58, 82, 87, 106, 114, 123, 159, 171, 174, 246, 261, 318, 342, 369, 477, 522, 551, 738, 779, 954, 1007, 1102, 1189, 1537, 1558, 1653, 2014, 2173, 2337, 2378, 3021, 3074, 3306, 3567, 4346, 4611, 4674, 4959, 6042, 6519, 7011, 7134, 9063, 9222, 9918, 10701, 13038, 13833, 14022, 18126, 19557, 21402, 22591, 27666, 29203, 39114, 41287, 45182, 58406, 63017, 67773, 82574, 87609, 123861, 126034, 135546, 175218, 189051, 203319, 247722, 262827, 371583, 378102, 406638, 525654, 567153, 743166, 1134306, 1197323, 2394646, 3591969, 7183938, 10775907, 21551814]

約数ペア:

[(1, 21551814), (2, 10775907), (3, 7183938), (6, 3591969), (9, 2394646), (18, 1197323), (19, 1134306), (29, 743166), (38, 567153), (41, 525654), (53, 406638), (57, 378102), (58, 371583), (82, 262827), (87, 247722), (106, 203319), (114, 189051), (123, 175218), (159, 135546), (171, 126034), (174, 123861), (246, 87609), (261, 82574), (318, 67773), (342, 63017), (369, 58406), (477, 45182), (522, 41287), (551, 39114), (738, 29203), (779, 27666), (954, 22591), (1007, 21402), (1102, 19557), (1189, 18126), (1537, 14022), (1558, 13833), (1653, 13038), (2014, 10701), (2173, 9918), (2337, 9222), (2378, 9063), (3021, 7134), (3074, 7011), (3306, 6519), (3567, 6042), (4346, 4959), (4611, 4674)]