21011070

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{263}}^1\times {\mathrm{2663}}^1$

素因数の和:2936

約数の個数: 32

約数和(自身を含む): 50637312

約数和(自身を除く): 29626242

約数列:

[1, 2, 3, 5, 6, 10, 15, 30, 263, 526, 789, 1315, 1578, 2630, 2663, 3945, 5326, 7890, 7989, 13315, 15978, 26630, 39945, 79890, 700369, 1400738, 2101107, 3501845, 4202214, 7003690, 10505535, 21011070]

約数ペア:

[(1, 21011070), (2, 10505535), (3, 7003690), (5, 4202214), (6, 3501845), (10, 2101107), (15, 1400738), (30, 700369), (263, 79890), (526, 39945), (789, 26630), (1315, 15978), (1578, 13315), (2630, 7989), (2663, 7890), (3945, 5326)]