21767940

素因数分解:

$2^2\times 3^6\times 5^1\times {\mathrm{1493}}^1$

素因数の和:1520

約数の個数: 84

約数和(自身を含む): 68583564

約数和(自身を除く): 46815624

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 81, 90, 108, 135, 162, 180, 243, 270, 324, 405, 486, 540, 729, 810, 972, 1215, 1458, 1493, 1620, 2430, 2916, 2986, 3645, 4479, 4860, 5972, 7290, 7465, 8958, 13437, 14580, 14930, 17916, 22395, 26874, 29860, 40311, 44790, 53748, 67185, 80622, 89580, 120933, 134370, 161244, 201555, 241866, 268740, 362799, 403110, 483732, 604665, 725598, 806220, 1088397, 1209330, 1451196, 1813995, 2176794, 2418660, 3627990, 4353588, 5441985, 7255980, 10883970, 21767940]

約数ペア:

[(1, 21767940), (2, 10883970), (3, 7255980), (4, 5441985), (5, 4353588), (6, 3627990), (9, 2418660), (10, 2176794), (12, 1813995), (15, 1451196), (18, 1209330), (20, 1088397), (27, 806220), (30, 725598), (36, 604665), (45, 483732), (54, 403110), (60, 362799), (81, 268740), (90, 241866), (108, 201555), (135, 161244), (162, 134370), (180, 120933), (243, 89580), (270, 80622), (324, 67185), (405, 53748), (486, 44790), (540, 40311), (729, 29860), (810, 26874), (972, 22395), (1215, 17916), (1458, 14930), (1493, 14580), (1620, 13437), (2430, 8958), (2916, 7465), (2986, 7290), (3645, 5972), (4479, 4860)]