21052602

素因数分解:

$2^1\times 3^3\times {\mathrm{197}}^1\times {\mathrm{1979}}^1$

素因数の和:2187

約数の個数: 32

約数和(自身を含む): 47044800

約数和(自身を除く): 25992198

約数列:

[1, 2, 3, 6, 9, 18, 27, 54, 197, 394, 591, 1182, 1773, 1979, 3546, 3958, 5319, 5937, 10638, 11874, 17811, 35622, 53433, 106866, 389863, 779726, 1169589, 2339178, 3508767, 7017534, 10526301, 21052602]

約数ペア:

[(1, 21052602), (2, 10526301), (3, 7017534), (6, 3508767), (9, 2339178), (18, 1169589), (27, 779726), (54, 389863), (197, 106866), (394, 53433), (591, 35622), (1182, 17811), (1773, 11874), (1979, 10638), (3546, 5937), (3958, 5319)]