21927402

素因数分解:

$2^1\times 3^3\times 7^2\times {\mathrm{8287}}^1$

素因数の和:8312

約数の個数: 48

約数和(自身を含む): 56689920

約数和(自身を除く): 34762518

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 27, 42, 49, 54, 63, 98, 126, 147, 189, 294, 378, 441, 882, 1323, 2646, 8287, 16574, 24861, 49722, 58009, 74583, 116018, 149166, 174027, 223749, 348054, 406063, 447498, 522081, 812126, 1044162, 1218189, 1566243, 2436378, 3132486, 3654567, 7309134, 10963701, 21927402]

約数ペア:

[(1, 21927402), (2, 10963701), (3, 7309134), (6, 3654567), (7, 3132486), (9, 2436378), (14, 1566243), (18, 1218189), (21, 1044162), (27, 812126), (42, 522081), (49, 447498), (54, 406063), (63, 348054), (98, 223749), (126, 174027), (147, 149166), (189, 116018), (294, 74583), (378, 58009), (441, 49722), (882, 24861), (1323, 16574), (2646, 8287)]