21684330

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{479}}^1\times {\mathrm{503}}^1$

素因数の和:995

約数の個数: 48

約数和(自身を含む): 56609280

約数和(自身を除く): 34924950

約数列:

[1, 2, 3, 5, 6, 9, 10, 15, 18, 30, 45, 90, 479, 503, 958, 1006, 1437, 1509, 2395, 2515, 2874, 3018, 4311, 4527, 4790, 5030, 7185, 7545, 8622, 9054, 14370, 15090, 21555, 22635, 43110, 45270, 240937, 481874, 722811, 1204685, 1445622, 2168433, 2409370, 3614055, 4336866, 7228110, 10842165, 21684330]

約数ペア:

[(1, 21684330), (2, 10842165), (3, 7228110), (5, 4336866), (6, 3614055), (9, 2409370), (10, 2168433), (15, 1445622), (18, 1204685), (30, 722811), (45, 481874), (90, 240937), (479, 45270), (503, 43110), (958, 22635), (1006, 21555), (1437, 15090), (1509, 14370), (2395, 9054), (2515, 8622), (2874, 7545), (3018, 7185), (4311, 5030), (4527, 4790)]