21602790

素因数分解:

$2^1\times 3^2\times 5^1\times {\mathrm{11}}^1\times {\mathrm{21821}}^1$

素因数の和:21845

約数の個数: 48

約数和(自身を含む): 61276176

約数和(自身を除く): 39673386

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, 21821, 43642, 65463, 109105, 130926, 196389, 218210, 240031, 327315, 392778, 480062, 654630, 720093, 981945, 1200155, 1440186, 1963890, 2160279, 2400310, 3600465, 4320558, 7200930, 10801395, 21602790]

約数ペア:

[(1, 21602790), (2, 10801395), (3, 7200930), (5, 4320558), (6, 3600465), (9, 2400310), (10, 2160279), (11, 1963890), (15, 1440186), (18, 1200155), (22, 981945), (30, 720093), (33, 654630), (45, 480062), (55, 392778), (66, 327315), (90, 240031), (99, 218210), (110, 196389), (165, 130926), (198, 109105), (330, 65463), (495, 43642), (990, 21821)]