21810252

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^2\times {\mathrm{19}}^1\times {\mathrm{331}}^1$

素因数の和:391

約数の個数: 72

約数和(自身を含む): 57077440

約数和(自身を除く): 35267188

約数列:

[1, 2, 3, 4, 6, 12, 17, 19, 34, 38, 51, 57, 68, 76, 102, 114, 204, 228, 289, 323, 331, 578, 646, 662, 867, 969, 993, 1156, 1292, 1324, 1734, 1938, 1986, 3468, 3876, 3972, 5491, 5627, 6289, 10982, 11254, 12578, 16473, 16881, 18867, 21964, 22508, 25156, 32946, 33762, 37734, 65892, 67524, 75468, 95659, 106913, 191318, 213826, 286977, 320739, 382636, 427652, 573954, 641478, 1147908, 1282956, 1817521, 3635042, 5452563, 7270084, 10905126, 21810252]

約数ペア:

[(1, 21810252), (2, 10905126), (3, 7270084), (4, 5452563), (6, 3635042), (12, 1817521), (17, 1282956), (19, 1147908), (34, 641478), (38, 573954), (51, 427652), (57, 382636), (68, 320739), (76, 286977), (102, 213826), (114, 191318), (204, 106913), (228, 95659), (289, 75468), (323, 67524), (331, 65892), (578, 37734), (646, 33762), (662, 32946), (867, 25156), (969, 22508), (993, 21964), (1156, 18867), (1292, 16881), (1324, 16473), (1734, 12578), (1938, 11254), (1986, 10982), (3468, 6289), (3876, 5627), (3972, 5491)]