21163140

素因数分解:

$2^2\times 3^3\times 5^1\times {\mathrm{39191}}^1$

素因数の和:39209

約数の個数: 48

約数和(自身を含む): 65842560

約数和(自身を除く): 44679420

約数列:

[1, 2, 3, 4, 5, 6, 9, 10, 12, 15, 18, 20, 27, 30, 36, 45, 54, 60, 90, 108, 135, 180, 270, 540, 39191, 78382, 117573, 156764, 195955, 235146, 352719, 391910, 470292, 587865, 705438, 783820, 1058157, 1175730, 1410876, 1763595, 2116314, 2351460, 3527190, 4232628, 5290785, 7054380, 10581570, 21163140]

約数ペア:

[(1, 21163140), (2, 10581570), (3, 7054380), (4, 5290785), (5, 4232628), (6, 3527190), (9, 2351460), (10, 2116314), (12, 1763595), (15, 1410876), (18, 1175730), (20, 1058157), (27, 783820), (30, 705438), (36, 587865), (45, 470292), (54, 391910), (60, 352719), (90, 235146), (108, 195955), (135, 156764), (180, 117573), (270, 78382), (540, 39191)]