21640368

素因数分解:

$2^4\times 3^1\times {\mathrm{450841}}^1$

素因数の和:450852

約数の個数: 20

約数和(自身を含む): 55904408

約数和(自身を除く): 34264040

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 450841, 901682, 1352523, 1803364, 2705046, 3606728, 5410092, 7213456, 10820184, 21640368]

約数ペア:

[(1, 21640368), (2, 10820184), (3, 7213456), (4, 5410092), (6, 3606728), (8, 2705046), (12, 1803364), (16, 1352523), (24, 901682), (48, 450841)]