21730230

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{83}}^1\times {\mathrm{2909}}^1$

素因数の和:3005

約数の個数: 48

約数和(自身を含む): 57198960

約数和(自身を除く): 35468730

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 83, 90, 166, 249, 415, 498, 747, 830, 1245, 1494, 2490, 2909, 3735, 5818, 7470, 8727, 14545, 17454, 26181, 29090, 43635, 52362, 87270, 130905, 241447, 261810, 482894, 724341, 1207235, 1448682, 2173023, 2414470, 3621705, 4346046, 7243410, 10865115, 21730230]

約数ペア:

[(1, 21730230), (2, 10865115), (3, 7243410), (5, 4346046), (6, 3621705), (9, 2414470), (10, 2173023), (15, 1448682), (18, 1207235), (30, 724341), (45, 482894), (83, 261810), (90, 241447), (166, 130905), (249, 87270), (415, 52362), (498, 43635), (747, 29090), (830, 26181), (1245, 17454), (1494, 14545), (2490, 8727), (2909, 7470), (3735, 5818)]