21524150

素因数分解:

$2^1\times 5^2\times {\mathrm{19}}^1\times {\mathrm{139}}^1\times {\mathrm{163}}^1$

素因数の和:333

約数の個数: 48

約数和(自身を含む): 42705600

約数和(自身を除く): 21181450

約数列:

[1, 2, 5, 10, 19, 25, 38, 50, 95, 139, 163, 190, 278, 326, 475, 695, 815, 950, 1390, 1630, 2641, 3097, 3475, 4075, 5282, 6194, 6950, 8150, 13205, 15485, 22657, 26410, 30970, 45314, 66025, 77425, 113285, 132050, 154850, 226570, 430483, 566425, 860966, 1132850, 2152415, 4304830, 10762075, 21524150]

約数ペア:

[(1, 21524150), (2, 10762075), (5, 4304830), (10, 2152415), (19, 1132850), (25, 860966), (38, 566425), (50, 430483), (95, 226570), (139, 154850), (163, 132050), (190, 113285), (278, 77425), (326, 66025), (475, 45314), (695, 30970), (815, 26410), (950, 22657), (1390, 15485), (1630, 13205), (2641, 8150), (3097, 6950), (3475, 6194), (4075, 5282)]