21437442

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{317}}^1$

素因数の和:372

約数の個数: 72

約数和(自身を含む): 53303796

約数和(自身を除く): 31866354

約数列:

[1, 2, 3, 6, 9, 13, 17, 18, 26, 34, 39, 51, 78, 102, 117, 153, 221, 234, 289, 306, 317, 442, 578, 634, 663, 867, 951, 1326, 1734, 1902, 1989, 2601, 2853, 3757, 3978, 4121, 5202, 5389, 5706, 7514, 8242, 10778, 11271, 12363, 16167, 22542, 24726, 32334, 33813, 37089, 48501, 67626, 70057, 74178, 91613, 97002, 140114, 183226, 210171, 274839, 420342, 549678, 630513, 824517, 1190969, 1261026, 1649034, 2381938, 3572907, 7145814, 10718721, 21437442]

約数ペア:

[(1, 21437442), (2, 10718721), (3, 7145814), (6, 3572907), (9, 2381938), (13, 1649034), (17, 1261026), (18, 1190969), (26, 824517), (34, 630513), (39, 549678), (51, 420342), (78, 274839), (102, 210171), (117, 183226), (153, 140114), (221, 97002), (234, 91613), (289, 74178), (306, 70057), (317, 67626), (442, 48501), (578, 37089), (634, 33813), (663, 32334), (867, 24726), (951, 22542), (1326, 16167), (1734, 12363), (1902, 11271), (1989, 10778), (2601, 8242), (2853, 7514), (3757, 5706), (3978, 5389), (4121, 5202)]