21276420

素因数分解:

$2^2\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{32237}}^1$

素因数の和:32260

約数の個数: 48

約数和(自身を含む): 64991808

約数和(自身を除く): 43715388

約数列:

[1, 2, 3, 4, 5, 6, 10, 11, 12, 15, 20, 22, 30, 33, 44, 55, 60, 66, 110, 132, 165, 220, 330, 660, 32237, 64474, 96711, 128948, 161185, 193422, 322370, 354607, 386844, 483555, 644740, 709214, 967110, 1063821, 1418428, 1773035, 1934220, 2127642, 3546070, 4255284, 5319105, 7092140, 10638210, 21276420]

約数ペア:

[(1, 21276420), (2, 10638210), (3, 7092140), (4, 5319105), (5, 4255284), (6, 3546070), (10, 2127642), (11, 1934220), (12, 1773035), (15, 1418428), (20, 1063821), (22, 967110), (30, 709214), (33, 644740), (44, 483555), (55, 386844), (60, 354607), (66, 322370), (110, 193422), (132, 161185), (165, 128948), (220, 96711), (330, 64474), (660, 32237)]