21291684

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{59}}^1\times {\mathrm{61}}^1$

素因数の和:173

約数の個数: 96

約数和(自身を含む): 56246400

約数和(自身を除く): 34954716

約数列:

[1, 2, 3, 4, 6, 12, 17, 29, 34, 51, 58, 59, 61, 68, 87, 102, 116, 118, 122, 174, 177, 183, 204, 236, 244, 348, 354, 366, 493, 708, 732, 986, 1003, 1037, 1479, 1711, 1769, 1972, 2006, 2074, 2958, 3009, 3111, 3422, 3538, 3599, 4012, 4148, 5133, 5307, 5916, 6018, 6222, 6844, 7076, 7198, 10266, 10614, 10797, 12036, 12444, 14396, 20532, 21228, 21594, 29087, 30073, 43188, 58174, 60146, 61183, 87261, 90219, 104371, 116348, 120292, 122366, 174522, 180438, 183549, 208742, 244732, 313113, 349044, 360876, 367098, 417484, 626226, 734196, 1252452, 1774307, 3548614, 5322921, 7097228, 10645842, 21291684]

約数ペア:

[(1, 21291684), (2, 10645842), (3, 7097228), (4, 5322921), (6, 3548614), (12, 1774307), (17, 1252452), (29, 734196), (34, 626226), (51, 417484), (58, 367098), (59, 360876), (61, 349044), (68, 313113), (87, 244732), (102, 208742), (116, 183549), (118, 180438), (122, 174522), (174, 122366), (177, 120292), (183, 116348), (204, 104371), (236, 90219), (244, 87261), (348, 61183), (354, 60146), (366, 58174), (493, 43188), (708, 30073), (732, 29087), (986, 21594), (1003, 21228), (1037, 20532), (1479, 14396), (1711, 12444), (1769, 12036), (1972, 10797), (2006, 10614), (2074, 10266), (2958, 7198), (3009, 7076), (3111, 6844), (3422, 6222), (3538, 6018), (3599, 5916), (4012, 5307), (4148, 5133)]