21250782

素因数分解:

$2^1\times 3^3\times 7^1\times {\mathrm{17}}^1\times {\mathrm{3307}}^1$

素因数の和:3342

約数の個数: 64

約数和(自身を含む): 57162240

約数和(自身を除く): 35911458

約数列:

[1, 2, 3, 6, 7, 9, 14, 17, 18, 21, 27, 34, 42, 51, 54, 63, 102, 119, 126, 153, 189, 238, 306, 357, 378, 459, 714, 918, 1071, 2142, 3213, 3307, 6426, 6614, 9921, 19842, 23149, 29763, 46298, 56219, 59526, 69447, 89289, 112438, 138894, 168657, 178578, 208341, 337314, 393533, 416682, 505971, 625023, 787066, 1011942, 1180599, 1250046, 1517913, 2361198, 3035826, 3541797, 7083594, 10625391, 21250782]

約数ペア:

[(1, 21250782), (2, 10625391), (3, 7083594), (6, 3541797), (7, 3035826), (9, 2361198), (14, 1517913), (17, 1250046), (18, 1180599), (21, 1011942), (27, 787066), (34, 625023), (42, 505971), (51, 416682), (54, 393533), (63, 337314), (102, 208341), (119, 178578), (126, 168657), (153, 138894), (189, 112438), (238, 89289), (306, 69447), (357, 59526), (378, 56219), (459, 46298), (714, 29763), (918, 23149), (1071, 19842), (2142, 9921), (3213, 6614), (3307, 6426)]