21105810

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21319}}^1$

素因数の和:21343

約数の個数: 48

約数和(自身を含む): 59866560

約数和(自身を除く): 38760750

約数列:

[1, 2, 3, 5, 6, 9, 10, 11, 15, 18, 22, 30, 33, 45, 55, 66, 90, 99, 110, 165, 198, 330, 495, 990, 21319, 42638, 63957, 106595, 127914, 191871, 213190, 234509, 319785, 383742, 469018, 639570, 703527, 959355, 1172545, 1407054, 1918710, 2110581, 2345090, 3517635, 4221162, 7035270, 10552905, 21105810]

約数ペア:

[(1, 21105810), (2, 10552905), (3, 7035270), (5, 4221162), (6, 3517635), (9, 2345090), (10, 2110581), (11, 1918710), (15, 1407054), (18, 1172545), (22, 959355), (30, 703527), (33, 639570), (45, 469018), (55, 383742), (66, 319785), (90, 234509), (99, 213190), (110, 191871), (165, 127914), (198, 106595), (330, 63957), (495, 42638), (990, 21319)]