21198210

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{64237}}^1$

素因数の和:64258

約数の個数: 32

約数和(自身を含む): 55501632

約数和(自身を除く): 34303422

約数列:

[1, 2, 3, 5, 6, 10, 11, 15, 22, 30, 33, 55, 66, 110, 165, 330, 64237, 128474, 192711, 321185, 385422, 642370, 706607, 963555, 1413214, 1927110, 2119821, 3533035, 4239642, 7066070, 10599105, 21198210]

約数ペア:

[(1, 21198210), (2, 10599105), (3, 7066070), (5, 4239642), (6, 3533035), (10, 2119821), (11, 1927110), (15, 1413214), (22, 963555), (30, 706607), (33, 642370), (55, 385422), (66, 321185), (110, 192711), (165, 128474), (330, 64237)]