21939034

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{499}}^1$

素因数の和:622

約数の個数: 32

約数和(自身を含む): 37800000

約数和(自身を除く): 15860966

約数列:

[1, 2, 13, 19, 26, 38, 89, 178, 247, 494, 499, 998, 1157, 1691, 2314, 3382, 6487, 9481, 12974, 18962, 21983, 43966, 44411, 88822, 123253, 246506, 577343, 843809, 1154686, 1687618, 10969517, 21939034]

約数ペア:

[(1, 21939034), (2, 10969517), (13, 1687618), (19, 1154686), (26, 843809), (38, 577343), (89, 246506), (178, 123253), (247, 88822), (494, 44411), (499, 43966), (998, 21983), (1157, 18962), (1691, 12974), (2314, 9481), (3382, 6487)]