21539238

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{97}}^1\times {\mathrm{311}}^1$

素因数の和:437

約数の個数: 64

約数和(自身を含む): 52835328

約数和(自身を除く): 31296090

約数列:

[1, 2, 3, 6, 7, 14, 17, 21, 34, 42, 51, 97, 102, 119, 194, 238, 291, 311, 357, 582, 622, 679, 714, 933, 1358, 1649, 1866, 2037, 2177, 3298, 4074, 4354, 4947, 5287, 6531, 9894, 10574, 11543, 13062, 15861, 23086, 30167, 31722, 34629, 37009, 60334, 69258, 74018, 90501, 111027, 181002, 211169, 222054, 422338, 512839, 633507, 1025678, 1267014, 1538517, 3077034, 3589873, 7179746, 10769619, 21539238]

約数ペア:

[(1, 21539238), (2, 10769619), (3, 7179746), (6, 3589873), (7, 3077034), (14, 1538517), (17, 1267014), (21, 1025678), (34, 633507), (42, 512839), (51, 422338), (97, 222054), (102, 211169), (119, 181002), (194, 111027), (238, 90501), (291, 74018), (311, 69258), (357, 60334), (582, 37009), (622, 34629), (679, 31722), (714, 30167), (933, 23086), (1358, 15861), (1649, 13062), (1866, 11543), (2037, 10574), (2177, 9894), (3298, 6531), (4074, 5287), (4354, 4947)]