21939950

素因数分解:

$2^1\times 5^2\times {\mathrm{29}}^1\times {\mathrm{15131}}^1$

素因数の和:15172

約数の個数: 24

約数和(自身を含む): 42218280

約数和(自身を除く): 20278330

約数列:

[1, 2, 5, 10, 25, 29, 50, 58, 145, 290, 725, 1450, 15131, 30262, 75655, 151310, 378275, 438799, 756550, 877598, 2193995, 4387990, 10969975, 21939950]

約数ペア:

[(1, 21939950), (2, 10969975), (5, 4387990), (10, 2193995), (25, 877598), (29, 756550), (50, 438799), (58, 378275), (145, 151310), (290, 75655), (725, 30262), (1450, 15131)]