21036078

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{19}}^1\times {\mathrm{29}}^1\times {\mathrm{101}}^1$

素因数の和:167

約数の個数: 128

約数和(自身を含む): 58752000

約数和(自身を除く): 37715922

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 19, 21, 27, 29, 38, 42, 54, 57, 58, 63, 87, 101, 114, 126, 133, 171, 174, 189, 202, 203, 261, 266, 303, 342, 378, 399, 406, 513, 522, 551, 606, 609, 707, 783, 798, 909, 1026, 1102, 1197, 1218, 1414, 1566, 1653, 1818, 1827, 1919, 2121, 2394, 2727, 2929, 3306, 3591, 3654, 3838, 3857, 4242, 4959, 5454, 5481, 5757, 5858, 6363, 7182, 7714, 8787, 9918, 10962, 11514, 11571, 12726, 13433, 14877, 17271, 17574, 19089, 20503, 23142, 26361, 26866, 29754, 34542, 34713, 38178, 40299, 41006, 51813, 52722, 55651, 61509, 69426, 79083, 80598, 103626, 104139, 111302, 120897, 123018, 158166, 166953, 184527, 208278, 241794, 333906, 362691, 369054, 389557, 500859, 553581, 725382, 779114, 1001718, 1107162, 1168671, 1502577, 2337342, 3005154, 3506013, 7012026, 10518039, 21036078]

約数ペア:

[(1, 21036078), (2, 10518039), (3, 7012026), (6, 3506013), (7, 3005154), (9, 2337342), (14, 1502577), (18, 1168671), (19, 1107162), (21, 1001718), (27, 779114), (29, 725382), (38, 553581), (42, 500859), (54, 389557), (57, 369054), (58, 362691), (63, 333906), (87, 241794), (101, 208278), (114, 184527), (126, 166953), (133, 158166), (171, 123018), (174, 120897), (189, 111302), (202, 104139), (203, 103626), (261, 80598), (266, 79083), (303, 69426), (342, 61509), (378, 55651), (399, 52722), (406, 51813), (513, 41006), (522, 40299), (551, 38178), (606, 34713), (609, 34542), (707, 29754), (783, 26866), (798, 26361), (909, 23142), (1026, 20503), (1102, 19089), (1197, 17574), (1218, 17271), (1414, 14877), (1566, 13433), (1653, 12726), (1818, 11571), (1827, 11514), (1919, 10962), (2121, 9918), (2394, 8787), (2727, 7714), (2929, 7182), (3306, 6363), (3591, 5858), (3654, 5757), (3838, 5481), (3857, 5454), (4242, 4959)]